Multivariable Projections of Caries-Free Prevalence and the Associated Factors from 2019 to 2030 among Schoolchildren Aged 6, 12 and 16-Year-Old in Malaysia
Abstract
1. Introduction
2. Materials and Methods
2.1. Study Design and Participants, Data Source and Description
2.2. Data Analysis
3. Results
3.1. Selection of Potential Associated Factors of Caries-Free for MLR
3.2. Multiple Linear Regression of Caries-Free Prevalence and Associated Factors among Schoolchildren
3.3. Multiple Linear Regression with Arma Errors for 12 Years Old Schoolchildren
3.4. Projection of Caries-Free Prevalence among Schoolchildren
4. Discussion
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Age Group | Correlation Pair | Correlation Coefficient (r) | p-Value * |
---|---|---|---|
6 years old | GDP vs. caries-free | 0.841 | <0.001 |
CPI vs. caries-free | 0.901 | <0.001 | |
Household income vs. caries-free | 0.819 | <0.001 | |
Relative poverty vs. caries-free | −0.693 | <0.001 | |
Sugar consumption vs. caries-free | −0.505 | 0.014 | |
Fluoridated water vs. caries-free | 0.790 | <0.001 | |
12 years old | GDP vs. caries-free | 0.893 | <0.001 |
CPI vs. caries-free | 0.943 | <0.001 | |
Household income vs. caries-free | 0.869 | <0.001 | |
Relative poverty vs. caries-free | −0.698 | <0.001 | |
Sugar consumption vs. caries-free | −0.391 | 0.050 | |
Fluoridated water vs. caries-free | 0.771 | 0.001 | |
16 years old | GDP vs. caries-free | 0.881 | <0.001 |
CPI vs. caries-free | 0.936 | <0.001 | |
Household income vs. caries-free | 0.840 | <0.001 | |
Relative Poverty vs. caries-free | −0.686 | <0.001 | |
Sugar consumption vs. caries-free | −0.340 | 0.104 | |
Fluoridated water vs. caries-free | 0.867 | <0.001 |
Age | Associated Factors | Coefficient (95% CI) | Standard Error | p-Value * | VIF | R2 |
---|---|---|---|---|---|---|
6 | Household Income | 2.6 × 10−3 (0.002, 0.003) | 3.6 × 10−4 | <0.001 | 2.13 | 0.945 |
Sugar consumption | −0.06 (−0.08, −0.05) | 0.007 | <0.001 | 1.03 | ||
Water fluoridation | 0.34 (0.16, 0.53) | 0.089 | 0.001 | 2.17 | ||
12 | GDP | 1 × 10−3 (8 × 10−4, 1.4 × 10−3) | 1.3 × 10−4 | <0.001 | 2.16 | 0.931 |
Sugar consumption | −0.07 (−0.09, −0.04) | 0.012 | <0.001 | 1.02 | ||
Water fluoridation | 0.31 (0.01, 0.61) | 0.144 | 0.044 | 2.20 | ||
16 | GDP | 9.0 × 10−4 (0.001, 0.002) | 1.2 × 10−4 | <0.001 | 2.16 | 0.949 |
Sugar consumption | −0.06 (−0.08, −0.03) | 0.011 | <0.001 | 1.02 | ||
Water fluoridation | 0.78 (0.49, 1.07) | 0.138 | <0.001 | 2.20 |
Model | Age Group | Variables | Coefficients | SE | p-Value | Ljung Box Test (p-Value) |
---|---|---|---|---|---|---|
Regression with ARMA (0,0,1) Errors | 12 years old | GDP Water fluoridation | 0.0012 0.215 | 0.0002 0.177 | <0.001 <0.044 | 0.113 |
Sugar & sweetener | −0.063 | 0.013 | 0.044 |
Age Group | Forecasted Years | Significant Associated Factors | Prevalence of Caries-Free (%) | ||
---|---|---|---|---|---|
Household Income (MYR) (Brown Linear) | Sugar Consumption (kcal/Capita/Day) (Damped Trend) | Water Fluoridation (%) (ARIMA 0,1,0) | |||
6 years old | 2019 | 5873.00 | 413.59 | 74.62 | 39.57 |
2020 | 6088.00 | 414.02 | 75.15 | 40.37 | |
2021 | 6303.00 | 414.39 | 75.67 | 41.17 | |
2022 | 6518.00 | 414.70 | 76.19 | 41.97 | |
2023 | 6733.00 | 414.98 | 76.71 | 42.78 | |
2024 | 6948.00 | 415.21 | 77.24 | 43.59 | |
2025 | 7163.00 | 415.42 | 77.76 | 44.40 | |
2026 | 7378.00 | 415.59 | 78.28 | 45.21 | |
2027 | 7593.00 | 415.74 | 78.80 | 46.02 | |
2028 | 7808.00 | 415.87 | 79.33 | 46.84 | |
2029 | 8023.00 | 415.98 | 79.85 | 47.66 | |
2030 | 8238.00 | 416.08 | 80.37 | 48.47 | |
GDP (Million MYR) (Brown Linear) | Sugar consumption (kcal/capita/day) (Damped trend) | Water Fluoridation (%) (Damped trend) | |||
12 years old | 2020 | 40,439.16 | 413.37 | 73.35 | 73.08 |
2021 | 41,685.26 | 413.82 | 73.80 | 74.69 | |
2022 | 42,931.36 | 414.20 | 74.24 | 76.22 | |
2023 | 44,177.45 | 414.53 | 74.69 | 77.76 | |
2024 | 45,423.55 | 414.82 | 75.14 | 79.30 | |
2025 | 46,669.65 | 415.06 | 75.59 | 80.85 | |
2026 | 47,915.75 | 415.27 | 76.03 | 82.39 | |
2027 | 49,161.85 | 415.45 | 76.48 | 83.94 | |
2028 | 50,407.95 | 415.61 | 76.93 | 85.49 | |
2029 | 51,654.05 | 415.75 | 77.38 | 87.04 | |
2030 | 52,900.15 | 415.86 | 77.83 | 88.60 | |
GDP (Million MYR) (Brown Linear) | Sugar consumption (kcal/capita/day) (Damped trend) | Water Fluoridation (%) (Damped trend) | |||
16 years old | 2020 | 40,439.16 | 57.65 | 73.35 | 57.65 |
2021 | 41,685.26 | 59.15 | 73.80 | 59.15 | |
2022 | 42,931.36 | 60.65 | 74.24 | 60.65 | |
2023 | 44,177.45 | 62.16 | 74.69 | 62.16 | |
2024 | 45,423.55 | 63.66 | 75.14 | 63.66 | |
2025 | 46,669.65 | 65.18 | 75.59 | 65.18 | |
2026 | 47,915.75 | 66.68 | 76.03 | 66.68 | |
2027 | 49,161.85 | 68.20 | 76.48 | 68.20 | |
2028 | 50,407.95 | 69.71 | 76.93 | 69.71 | |
2029 | 51,654.05 | 71.23 | 77.38 | 71.23 | |
2030 | 52,900.15 | 72.75 | 77.83 | 72.75 |
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Najihah, L.; Wan Husin, W.Z.; Marhazlinda, J. Multivariable Projections of Caries-Free Prevalence and the Associated Factors from 2019 to 2030 among Schoolchildren Aged 6, 12 and 16-Year-Old in Malaysia. Children 2023, 10, 1125. https://doi.org/10.3390/children10071125
Najihah L, Wan Husin WZ, Marhazlinda J. Multivariable Projections of Caries-Free Prevalence and the Associated Factors from 2019 to 2030 among Schoolchildren Aged 6, 12 and 16-Year-Old in Malaysia. Children. 2023; 10(7):1125. https://doi.org/10.3390/children10071125
Chicago/Turabian StyleNajihah, Lokman, Wan Zakiyatussariroh Wan Husin, and Jamaludin Marhazlinda. 2023. "Multivariable Projections of Caries-Free Prevalence and the Associated Factors from 2019 to 2030 among Schoolchildren Aged 6, 12 and 16-Year-Old in Malaysia" Children 10, no. 7: 1125. https://doi.org/10.3390/children10071125
APA StyleNajihah, L., Wan Husin, W. Z., & Marhazlinda, J. (2023). Multivariable Projections of Caries-Free Prevalence and the Associated Factors from 2019 to 2030 among Schoolchildren Aged 6, 12 and 16-Year-Old in Malaysia. Children, 10(7), 1125. https://doi.org/10.3390/children10071125