Table 4.
Sex-specific mixed effects estimates on waist circumference of study population, coefficient (95% CI)
| Coefficient (95% CI) | P-value | |
|---|---|---|
| Men | ||
| Age | 0.77(0.57, 0.96) | < 0.001 |
| Age2 | −0.006(− 0.008, − 0.004) | < 0.001 |
| Time (Ref: Phase I) | ||
| Phase III | 9.49 (7.88, 11.10) | < 0.001 |
| Phase V | 10.44(7.39, 13.49) | < 0.001 |
| Time*age (Ref: Phase I) | ||
| Phase III*age | −0.06(−0.10, − 0.03) | < 0.001 |
| Phase V*age | −0.06(− 0.12, − 0.001) | 0.045 |
| Smoking (Ref: non-smoker) | −1.12(−1.63, − 0.61) | < 0.001 |
| Physical activity (Ref: high) | 0.77(0.48,1.07) | < 0.001 |
| Education (Ref: > 12 year) | −0.33(− 0.95, 0.29) | 0.295 |
| Spouse: (Ref: married) | −3.11(−3.83,-2.40) | < 0.001 |
| Women | ||
| Age | 1.32(1.14, 1.50) | < 0.001 |
| Age2 | −0.010(− 0.013,-0.008) | < 0.001 |
| Time (Ref: Phase I) | ||
| Phase III | −4.87(−6.57, −3.17) | < 0.001 |
| Phase V | −2.84(−5.90, 0.23) | 0.070 |
| Time*age (Ref: Phase I) | ||
| Phase III*age | 0.13(0.09, 0.16) | < 0.001 |
| Phase V*age | 0.13(0.07, 0.19) | < 0.001 |
| Smoking (Ref: non-smoker) | −0.76(−2.12, 0.60) | 0.274 |
| Physical activity (Ref: high) | 0.80(0.46, 1.15) | < 0.001 |
| Education (Ref: > 12 year) | 2.63(1.83, 3.42) | < 0.001 |
| Spouse: (Ref: married) | −5.25(−6.26,-4.24) | < 0.001 |
Model includes age, age-squared, study phase year, age interacted with study phase year, smoking, education, and marital status