Double Jeopardy in Contemporary China: Intersecting the Socioeconomic Gradient and Geographic Context on Early Childhood Development
Abstract
:1. Introduction
2. Materials and Methods
2.1. Sample
2.2. Measures
2.2.1. Outcome Variables
2.2.2. Independent Variables
2.3. Statistical Analysis
3. Results
3.1. Descriptive Statistics
3.2. Multi-Level Analyses
3.3. Sensitivity Analyses
4. Discussion
5. Conclusions
Author Contributions
Funding
Conflicts of Interest
Appendix A
Variables | Frequency | Percent |
---|---|---|
Maternal education | ||
No schooling | 2.25 | 22.07 |
Primary school | 2870 | 24.13 |
Middle school | 3968 | 33.36 |
High school | 1349 | 11.34 |
College | 1083 | 9.10 |
Gender | ||
Male | 6322 | 53.15 |
Female | 5573 | 46.85 |
Birth cohort | ||
1995–1999 | 2689 | 22.61 |
2000–2004 | 2509 | 21.09 |
2005–2009 | 3033 | 25.50 |
2010–2016 | 3664 | 30.80 |
Minority status | ||
Han | 10,490 | 88.19 |
Minority | 1405 | 11.81 |
Birth weight | ||
Normal weight | 10,154 | 85.36 |
Low birth weight | 628 | 5.28 |
Unknown | 1113 | 9.36 |
Gestational age | ||
<37 weeks | 11,433 | 96.12 |
≥37 weeks | 462 | 3.88 |
Hukou before age 3 | ||
Rural | 9654 | 81.16 |
Urban | 2241 | 18.84 |
Maternal age at birth | ||
<20 | 409 | 3.44 |
20–24 | 4400 | 36.99 |
24–29 | 4441 | 37.34 |
30–34 | 1873 | 15.75 |
35+ | 772 | 6.49 |
Survey Year | ||
2010 | 8165 | 68.64 |
2012 | 1426 | 11.99 |
2014 | 1262 | 10.61 |
2016 | 1042 | 8.76 |
N | 11,895 |
Early Development Milestones | Definition |
---|---|
Walking alone | Has the child started to walk by herself/himself? How old (in months) was the child when she/he started walking? Notes. Walking refers to walking on one’s won without assistance of any other objects of external forces. Walking 3–5 steps even counts. Soft check. Interviewer’s notes. Double check in case the child was able to walk after 24 months old. |
First sentences | Has the child started to speak complete sentences, such as “I want to eat”? How old (in month) was the child when she/he started speaking complete sentences, such as “I want to eat”? Soft check. Interviewer’s notes. Double check in case the child was able to walk before 12 months old and after 24 months old. |
Counting 10 objects | Can the child count from 1 to 10? How old (in months) was the child when she/he became able to count from 1 to 10? Soft check. Interviewer’s notes. Double check in case the child was able to walk before 12 months old and after 24 months old. |
Independent toileting | When the child urinates, is she/he able to take off the trousers on her/his own? How old (in months) was the child when she/he became able to urinate by herself/himself? Notes. “Urinate by himself/herself” refers to the child can take off his/her trousers on his/her own when urinates. Soft check. Interviewer’s notes. Double check in case the child was able to walk before 12 months old and after 36 months old. |
Early Developmental Milestones | 1% | 5% | 10% | 25% | 50% | 75% | 90% | 95% | 99% | N |
---|---|---|---|---|---|---|---|---|---|---|
Walking alone | 9 | 10 | 11 | 12 | 13 | 15 | 18 | 24 | 36 | 11,361 |
First sentences | 10 | 12 | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 10,324 |
Counting 10 objects | 12 | 16 | 18 | 24 | 35 | 40 | 49 | 60 | 72 | 10,061 |
Independent toileting | 12 | 15 | 18 | 24 | 30 | 36 | 48 | 50 | 72 | 10,751 |
Variables | Walking Alone | First Sentences | Count 10 Objects | Independent Toileting | Gender | Birth Year | Minority | Low Birth Weight | Preterm Birth | Hukou Before Age 3 | Maternal Age at Delivery | Maternal Education | County-Level GDP Per Capita | Country-Level Urban Population % |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Walking alone | 1.000 | |||||||||||||
First sentences | 0.405 | 1.000 | ||||||||||||
Count 10 objects | 0.277 | 0.362 | 1.000 | |||||||||||
Independent toileting | 0.237 | 0.329 | 0.456 | 1.000 | ||||||||||
Gender | −0.005 | −0.048 | −0.035 | −0.028 | 1.000 | |||||||||
Birth year | −0.167 | −0.102 | −0.261 | −0.259 | −0.014 | 1.000 | ||||||||
Minority | 0.076 | −0.025 | 0.040 | −0.031 | −0.003 | 0.013 | 1.000 | |||||||
Low birth weight | 0.173 | 0.100 | 0.248 | 0.146 | 0.014 | −0.295 | 0.105 | 1.000 | ||||||
Preterm birth | 0.017 | −0.003 | −0.014 | −0.011 | 0.003 | 0.038 | 0.000 | −0.026 | 1.000 | |||||
Hukou before age 3 | −0.098 | −0.067 | −0.199 | −0.071 | 0.001 | 0.015 | −0.086 | −0.132 | 0.005 | 1.000 | ||||
Maternal age at delivery | −0.004 | 0.019 | 0.008 | 0.002 | −0.031 | 0.017 | −0.017 | 0.006 | 0.020 | 0.067 | 1.000 | |||
Maternal education | −0.201 | −0.139 | −0.301 | −0.155 | 0.017 | 0.240 | −0.194 | −0.278 | 0.011 | 0.436 | −0.058 | 1.000 | ||
County-level GDP per capita | −0.153 | −0.065 | −0.215 | −0.040 | 0.015 | 0.023 | −0.209 | −0.228 | 0.003 | 0.343 | 0.072 | 0.398 | 1.000 | |
Country-level Urban population % | −0.082 | −0.036 | −0.173 | −0.057 | 0.013 | −0.023 | −0.137 | −0.141 | 0.011 | 0.509 | 0.053 | 0.330 | 0.505 | 1.000 |
Late Walking | Late Talking | Late Counting | Late Toilet-Training | |
---|---|---|---|---|
Individual-Level Coefficients | ||||
Maternal education | −0.080 *** | −0.165 *** | −0.549 *** | −0.283 *** |
(0.018) | (0.036) | (0.065) | (0.057) | |
Female | −0.104 | −0.873 *** | −1.096 *** | −0.793 *** |
(0.078) | (0.142) | (0.248) | (0.213) | |
Birth cohort (ref: 1995–1999) | ||||
2000–2004 | −0.393 *** | −0.621 ** | −0.424 | −0.279 |
(0.119) | (0.210) | (0.364) | (0.318) | |
2005–2009 | −1.023 *** | −1.479 *** | −4.589 *** | −5.271 *** |
(0.118) | (0.210) | (0.370) | (0.318) | |
After 2010 | −1.188 *** | −1.478 *** | −5.100 *** | −5.969 *** |
(0.118) | (0.216) | (0.377) | (0.324) | |
Minority | 0.360 * | −0.161 | −0.609 | 0.046 |
(0.167) | (0.315) | (0.559) | (0.472) | |
Birth weight (ref: normal weight) | ||||
Low birth weight | 0.765 *** | 1.649 *** | 2.074 *** | 1.610 ** |
(0.185) | (0.333) | (0.591) | (0.502) | |
Unknown | 1.312 *** | 1.265 *** | 5.592 *** | 2.509 *** |
(0.150) | (0.265) | (0.469) | (0.408) | |
Gestational age (ref: ≥37 weeks) | ||||
<37 weeks | 0.714 *** | 0.007 | −0.384 | −0.237 |
(0.210) | (0.382) | (0.682) | (0.585) | |
Urban hukou before age 3 | −0.311 * | −0.359 | −2.676 *** | −0.608+ |
(0.127) | (0.237) | (0.414) | (0.353) | |
Maternal age at delivery (ref: <20) | ||||
20–24 | 0.056 | −0.270 | 0.594 | −0.014 |
(0.221) | (0.398) | (0.702) | (0.603) | |
25–29 | 0.135 | −0.070 | 1.087 | 0.219 |
(0.222) | (0.401) | (0.707) | (0.607) | |
30–34 | 0.245 | 0.054 | 1.488 * | 0.445 |
(0.234) | (0.423) | (0.746) | (0.640) | |
35+ | 0.357 | 0.176 | 1.566 † | −0.608 |
(0.262) | (0.476) | (0.842) | (0.716) | |
County-level coefficients | ||||
Ln (GDP per capita) | −0.414 *** | −0.301 † | −1.456 *** | 0.096 |
(0.079) | (0.165) | (0.298) | (0.244) | |
Urban population % | −0.001 | −0.004 | −0.048 *** | −0.031 ** |
(0.003) | (0.007) | (0.013) | (0.011) | |
Cross-level interaction coefficients | ||||
Maternal education × Urban population % | 0.001 | 0.001 | 0.006 ** | 0.003+ |
(0.001) | (0.001) | (0.002) | (0.002) | |
Constant | 18.690 *** | 24.656 *** | 51.363 *** | 34.588 *** |
(0.783) | (1.624) | (2.928) | (2.412) | |
N | 11,361 | 10,324 | 10,061 | 10,751 |
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Variables | Walk Alone (in Months) | Late Walking | First Sentences (in Months) | Late Talking | Count 10 Objects (in Months) | Late Counting | Independent Toileting (in Months) | Late Toilet-Training | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean | Sig. | % | Sig. | Mean | Sig. | % | Sig. | Mean | Sig. | % | Sig. | mean | Sig. | % | Sig. | |
Total | 14.21 | 21.18 | 20.35 | 14.11 | 33.91 | 23.43 | 31.66 | 17.61 | ||||||||
Maternal education | *** | *** | *** | *** | *** | *** | *** | *** | ||||||||
No schooling | 15.87 | 35.99 | 22.23 | 22.60 | 40.22 | 39.70 | 34.50 | 24.89 | ||||||||
Primary school | 14.29 | 22.38 | 20.69 | 14.62 | 35.98 | 29.40 | 32.85 | 21.23 | ||||||||
Middle school | 13.65 | 16.79 | 19.54 | 10.78 | 31.87 | 17.52 | 30.27 | 13.97 | ||||||||
High school | 13.34 | 12.31 | 19.32 | 10.51 | 29.30 | 10.02 | 29.46 | 12.09 | ||||||||
College | 13.12 | 9.25 | 18.72 | 6.98 | 26.29 | 4.49 | 28.95 | 9.23 | ||||||||
Gender | *** | *** | ** | *** | ** | |||||||||||
Male | 14.25 | 21.56 | 20.75 | 15.34 | 34.54 | 24.62 | 32.00 | 18.08 | ||||||||
Female | 14.17 | 20.74 | 19.91 | 12.72 | 33.41 | 22.30 | 31.27 | 17.07 | ||||||||
Birth cohort | *** | *** | *** | *** | *** | *** | *** | |||||||||
1995–1999 | 15.25 | 30.08 | 21.79 | 20.52 | 38.44 | 36.34 | 35.56 | 27.28 | ||||||||
2000–2004 | 14.66 | 25.80 | 20.82 | 16.21 | 36.82 | 32.47 | 34.68 | 25.10 | ||||||||
2005–2009 | 13.79 | 18.40 | 19.60 | 11.80 | 31.30 | 15.58 | 29.28 | 12.15 | ||||||||
after 2010 | 13.47 | 13.59 | 19.41 | 8.95 | 30.12 | 11.72 | 28.14 | 8.48 | ||||||||
Minority status | *** | *** | † | *** | *** | *** | ** | |||||||||
Han | 14.07 | 19.66 | 20.37 | 13.87 | 33.77 | 22.91 | 31.77 | 18.21 | ||||||||
Minority | 15.31 | 32.75 | 20.20 | 15.93 | 35.91 | 28.42 | 30.81 | 12.99 | ||||||||
Birth weight | *** | *** | *** | *** | *** | *** | *** | *** | ||||||||
Low birth weight | 15.30 | 33.28 | 22.16 | 19.33 | 36.42 | 29.80 | 32.67 | 19.50 | ||||||||
Normal weight | 13.90 | 18.23 | 19.97 | 12.78 | 32.67 | 19.99 | 30.99 | 16.11 | ||||||||
Unknown | 16.47 | 41.30 | 22.61 | 22.52 | 44.23 | 50.45 | 36.96 | 29.78 | ||||||||
Gestational age | ** | *** | ||||||||||||||
<37 weeks | 14.83 | 29.56 | 20.48 | 12.53 | 33.41 | 20.05 | 31.21 | 16.41 | ||||||||
≥37 weeks | 14.19 | 20.85 | 20.35 | 14.17 | 34.03 | 23.66 | 31.67 | 17.65 | ||||||||
Hukou before age 3 | *** | *** | *** | *** | *** | *** | *** | *** | ||||||||
Rural | 14.42 | 23.13 | 20.60 | 15.03 | 35.29 | 26.66 | 32.05 | 18.83 | ||||||||
Urban | 13.31 | 12.69 | 19.22 | 9.92 | 28.34 | 9.63 | 29.90 | 12.22 | ||||||||
Mother’s age at delivery | ** | † | † | |||||||||||||
<20 | 14.52 | 25.06 | 20.49 | 15.19 | 34.04 | 25.07 | 31.30 | 17.79 | ||||||||
20–24 | 14.20 | 21.06 | 20.20 | 13.88 | 33.78 | 22.63 | 31.67 | 17.87 | ||||||||
25–29 | 14.11 | 19.70 | 20.32 | 13.59 | 33.86 | 23.39 | 31.64 | 17.09 | ||||||||
30–34 | 14.32 | 23.56 | 20.61 | 14.60 | 34.74 | 25.34 | 32.16 | 19.35 | ||||||||
35+ | 14.44 | 22.46 | 20.76 | 16.74 | 34.51 | 24.36 | 30.62 | 14.83 | ||||||||
N | 11,361 | 10,324 | 10,061 | 10,751 |
Walk Alone (in Months) | First Sentences (in Months) | Count 10 Objects (in Months) | Independent Toileting (in Months) | |||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
(1) | (2) | (3) | (4) | (5) | (1) | (2) | (3) | (4) | (5) | (1) | (2) | (3) | (4) | (5) | (1) | (2) | (3) | (4) | (5) | |
Individual-level coefficients | ||||||||||||||||||||
Maternal education | −0.071 *** | −0.062 *** | −0.302 ** | −0.153 *** | −0.144 *** | −0.711 ** | −0.442 *** | −0.404 *** | −1.564 *** | −0.222 *** | −0.206 *** | −1.245 *** | ||||||||
(0.012) | (0.013) | (0.115) | (0.021) | (0.025) | (0.228) | (0.037) | (0.045) | (0.415) | (0.032) | (0.039) | (0.362) | |||||||||
Female | −0.100 | −0.103 | −0.105 | −0.866 *** | −0.871 *** | −0.878 *** | −1.076 *** | −1.087 *** | −1.101 *** | −0.800 *** | −0.790 *** | −0.796 *** | ||||||||
(0.078) | (0.078) | (0.078) | (0.142) | (0.142) | (0.142) | (0.249) | (0.248) | (0.248) | (0.214) | (0.213) | (0.213) | |||||||||
Birth Cohort (Ref: 1995–1999) | ||||||||||||||||||||
2000–2004 | −0.391 *** | −0.394 *** | −0.400 *** | −0.644 ** | −0.622 ** | −0.634 ** | −0.437 | −0.426 | −0.448 | −0.297 | −0.282 | −0.299 | ||||||||
(0.119) | (0.119) | (0.119) | (0.210) | (0.210) | (0.210) | (0.365) | (0.364) | (0.364) | (0.318) | (0.318) | (0.318) | |||||||||
2005–2009 | −1.036 *** | −1.024 *** | −1.029 *** | −1.491 *** | −1.480 *** | −1.490 *** | −4.575 *** | −4.597 *** | −4.617 *** | −5.261 *** | −5.274 *** | −5.292 *** | ||||||||
(0.118) | (0.118) | (0.118) | (0.210) | (0.210) | (0.210) | (0.370) | (0.370) | (0.370) | (0.319) | (0.318) | (0.318) | |||||||||
After 2010 | −1.193 *** | −1.191 *** | −1.196 *** | −1.485 *** | −1.482 *** | −1.491 *** | −5.131 *** | −5.116 *** | −5.139 *** | −5.969 *** | −5.979 *** | −5.994 *** | ||||||||
(0.118) | (0.118) | (0.118) | (0.216) | (0.215) | (0.215) | (0.377) | (0.377) | (0.377) | (0.324) | (0.324) | (0.324) | |||||||||
Minority | 0.473 ** | 0.361* | 0.359* | −0.121 | −0.160 | −0.167 | −0.697 | −0.575 | −0.608 | −0.062 | 0.052 | 0.042 | ||||||||
(0.168) | (0.167) | (0.167) | (0.316) | (0.315) | (0.315) | (0.559) | (0.560) | (0.559) | (0.479) | (0.472) | (0.471) | |||||||||
Birth Weight (Ref: Normal Weight) | ||||||||||||||||||||
Low birth weight | 0.769 *** | 0.769 *** | 0.767 *** | 1.640 *** | 1.652 *** | 1.648 *** | 2.103 *** | 2.081 *** | 2.068 *** | 1.540 ** | 1.617 ** | 1.611 ** | ||||||||
(0.186) | (0.185) | (0.185) | (0.333) | (0.333) | (0.333) | (0.592) | (0.591) | (0.591) | (0.503) | (0.502) | (0.502) | |||||||||
Unknown | 1.309 *** | 1.323 *** | 1.297 *** | 1.255 *** | 1.275 *** | 1.227 *** | 5.683 *** | 5.659 *** | 5.561 *** | 2.499 *** | 2.545 *** | 2.462 *** | ||||||||
(0.149) | (0.150) | (0.150) | (0.263) | (0.265) | (0.266) | (0.465) | (0.468) | (0.469) | (0.405) | (0.407) | (0.408) | |||||||||
Gestational Age (Ref: ≥37 Weeks) | ||||||||||||||||||||
<37 weeks | 0.691 ** | 0.717 *** | 0.713 *** | −0.048 | 0.008 | 0.006 | −0.370 | −0.372 | −0.374 | −0.221 | −0.224 | −0.231 | ||||||||
(0.211) | (0.210) | (0.210) | (0.383) | (0.382) | (0.382) | (0.683) | (0.682) | (0.682) | (0.586) | (0.585) | (0.584) | |||||||||
Urban hukou before age 3 | −0.296 * | −0.296 * | −0.315 * | −0.334 | −0.341 | −0.389 | −2.484 *** | −2.558 *** | −2.654 *** | −0.565 | −0.556 | −0.629 † | ||||||||
(0.127) | (0.127) | (0.127) | (0.237) | (0.236) | (0.237) | (0.413) | (0.413) | (0.414) | (0.353) | (0.352) | (0.352) | |||||||||
Maternal Age at Delivery (Ref: <20) | ||||||||||||||||||||
20–24 | 0.047 | 0.055 | 0.052 | −0.263 | −0.270 | −0.275 | 0.661 | 0.592 | 0.583 | 0.007 | −0.014 | −0.020 | ||||||||
(0.221) | (0.221) | (0.221) | (0.399) | (0.398) | (0.398) | (0.703) | (0.702) | (0.702) | (0.604) | (0.603) | (0.603) | |||||||||
25–29 | 0.130 | 0.139 | 0.129 | −0.069 | −0.066 | −0.085 | 1.159 | 1.113 | 1.081 | 0.250 | 0.235 | 0.205 | ||||||||
(0.223) | (0.222) | (0.222) | (0.402) | (0.401) | (0.401) | (0.708) | (0.707) | (0.707) | (0.609) | (0.607) | (0.607) | |||||||||
30–34 | 0.224 | 0.251 | 0.245 | 0.041 | 0.059 | 0.050 | 1.526 * | 1.523 * | 1.506 * | 0.470 | 0.466 | 0.451 | ||||||||
(0.235) | (0.234) | (0.234) | (0.424) | (0.423) | (0.423) | (0.748) | (0.747) | (0.746) | (0.641) | (0.640) | (0.639) | |||||||||
35+ | 0.327 | 0.357 | 0.358 | 0.127 | 0.175 | 0.183 | 1.472 † | 1.558 † | 1.569 † | −0.663 | −0.608 | −0.604 | ||||||||
(0.263) | (0.262) | (0.262) | (0.477) | (0.476) | (0.476) | (0.843) | (0.843) | (0.842) | (0.717) | (0.716) | (0.716) | |||||||||
County-Level Coefficients | ||||||||||||||||||||
Ln (GDP per capita) | −0.581 *** | −0.453 *** | −0.411 *** | −0.469 *** | −0.549 ** | −0.437 * | −0.298 † | −0.436 * | −2.072 *** | −1.594 *** | −1.444 *** | −1.668 *** | −0.402 | −0.130 | 0.109 | −0.196 | ||||
(0.088) | (0.084) | (0.079) | (0.084) | (0.178) | (0.175) | (0.165) | (0.174) | (0.333) | (0.310) | (0.298) | (0.309) | (0.281) | (0.269) | (0.244) | (0.266) | |||||
Urban population % | −0.003 | −0.001 | −0.000 | −0.000 | −0.005 | −0.001 | −0.003 | −0.002 | −0.068 *** | −0.047 *** | −0.042 *** | −0.040 ** | −0.028 * | −0.026 * | −0.025 * | −0.023 * | ||||
(0.004) | (0.004) | (0.003) | (0.003) | (0.007) | (0.007) | (0.007) | (0.007) | (0.013) | (0.013) | (0.012) | (0.012) | (0.011) | (0.011) | (0.010) | (0.010) | |||||
Cross-Level Interaction Coefficients | ||||||||||||||||||||
Maternal education × Ln (GDP per capita) | 0.024 * | 0.058 * | 0.118 ** | 0.105 ** | ||||||||||||||||
(0.012) | (0.023) | (0.042) | (0.036) | |||||||||||||||||
Constant | 13.940 *** | 19.917 *** | 19.054 *** | 18.618 *** | 19.217 *** | 20.120 *** | 25.796 *** | 25.950 *** | 24.574 *** | 25.982 *** | 32.441 *** | 55.737 *** | 52.607 *** | 50.961 *** | 53.270 *** | 31.364 *** | 36.291 *** | 36.709 *** | 34.247 *** | 37.344 *** |
(0.088) | (0.842) | (0.836) | (0.781) | (0.832) | (0.161) | (1.703) | (1.716) | (1.621) | (1.713) | (0.367) | (3.181) | (3.043) | (2.931) | (3.042) | (0.253) | (2.684) | (2.644) | (2.406) | (2.632) | |
N | 11,361 | 11,361 | 11,361 | 11,361 | 11,361 | 10,324 | 10,324 | 10,324 | 10,324 | 10,324 | 10,061 | 10,061 | 10,061 | 10,061 | 10,061 | 10,751 | 10,751 | 10,751 | 10,751 | 10,751 |
Late Walking | Late Talking | Late Counting | Late Toilet-Training | |
---|---|---|---|---|
Individual-Level Coefficients | ||||
Maternal education | −0.048 | −0.218 * | −0.105 | −0.239 * |
(0.076) | (0.098) | (0.078) | (0.103) | |
Female | −0.067 | −0.246 *** | −0.156 ** | −0.103 † |
(0.049) | (0.060) | (0.052) | (0.055) | |
Birth cohort (ref: 1995–1999) | ||||
2000–2004 | −0.181 ** | −0.223 ** | −0.049 | −0.023 |
(0.068) | (0.080) | (0.068) | (0.071) | |
2005–2009 | −0.527 *** | −0.494 *** | −0.900 *** | −0.900 *** |
(0.072) | (0.085) | (0.077) | (0.081) | |
After 2010 | −0.798 *** | −0.739 *** | −1.119 *** | −1.229 *** |
(0.075) | (0.092) | (0.082) | (0.088) | |
Minority | 0.278 ** | 0.147 | −0.124 | −0.129 |
(0.099) | (0.128) | (0.112) | (0.131) | |
Birth weight (ref: normal weight) | ||||
Low birth weight | 0.530 *** | 0.312 * | 0.322 ** | 0.191 |
(0.103) | (0.126) | (0.116) | (0.126) | |
Unknown | 0.459 *** | 0.221 * | 0.573 *** | 0.250 ** |
(0.080) | (0.097) | (0.083) | (0.091) | |
Gestational age (ref: ≥37 weeks) | ||||
<37 weeks | 0.508 *** | −0.098 | −0.188 | −0.049 |
(0.121) | (0.167) | (0.148) | (0.155) | |
Urban hukou before age 3 | −0.200 * | −0.203 † | −0.605 *** | −0.254 * |
(0.090) | (0.110) | (0.102) | (0.099) | |
Maternal age at delivery (ref: <20) | ||||
20–24 | 0.008 | −0.128 | −0.051 | −0.095 |
(0.133) | (0.162) | (0.143) | (0.154) | |
25–29 | 0.028 | −0.156 | 0.033 | −0.106 |
(0.135) | (0.163) | (0.144) | (0.155) | |
30–34 | 0.201 | −0.132 | 0.079 | −0.038 |
(0.141) | (0.173) | (0.152) | (0.163) | |
35+ | 0.145 | 0.034 | 0.109 | −0.298 |
(0.159) | (0.192) | (0.172) | (0.187) | |
County-level coefficients | ||||
Ln (GDP per capita) | −0.371 *** | −0.092 | −0.299 *** | −0.022 |
(0.054) | (0.066) | (0.062) | (0.071) | |
Urban population % | 0.000 | 0.001 | −0.008 ** | −0.006 * |
(0.002) | (0.003) | (0.003) | (0.003) | |
Cross-level interaction coefficients | ||||
Maternal education × Ln (GDP per capita) | 0.000 | 0.017 † | 0.004 | 0.019 † |
(0.008) | (0.010) | (0.008) | (0.010) | |
Constant | 2.425 *** | −0.538 | 2.305 *** | −0.717 |
(0.526) | (0.647) | (0.606) | (0.693) | |
N | 11,361 | 10,324 | 10,061 | 10,751 |
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Li, W.; Li, M.; Jin, Y.; Wang, S.; Zhang, Y. Double Jeopardy in Contemporary China: Intersecting the Socioeconomic Gradient and Geographic Context on Early Childhood Development. Int. J. Environ. Res. Public Health 2020, 17, 4937. https://doi.org/10.3390/ijerph17144937
Li W, Li M, Jin Y, Wang S, Zhang Y. Double Jeopardy in Contemporary China: Intersecting the Socioeconomic Gradient and Geographic Context on Early Childhood Development. International Journal of Environmental Research and Public Health. 2020; 17(14):4937. https://doi.org/10.3390/ijerph17144937
Chicago/Turabian StyleLi, Wangyang, Minyi Li, Yongai Jin, Shiqi Wang, and Yi Zhang. 2020. "Double Jeopardy in Contemporary China: Intersecting the Socioeconomic Gradient and Geographic Context on Early Childhood Development" International Journal of Environmental Research and Public Health 17, no. 14: 4937. https://doi.org/10.3390/ijerph17144937