TABLE 1.
Sample characteristics by change in GDQS: Mexican Teachers’ Cohort, 2006–20081
| Largest decrease (<−5) (n = 865) | Small decrease (−5 to <−2) (n = 1709) | Little change (−2 to 2) (n = 3661) | Small increase (>2 to 5) (n = 1722) | Largest increase (>5) (n = 1010) | |
|---|---|---|---|---|---|
| Age, baseline, y | 41.4 ± 3.1 | 41.3 ± 3.1 | 41.4 ± 3.2 | 41.3 ± 3.1 | 41.2 ± 3.2 |
| GDQS, baseline | 26.7 ± 3.7 | 24.9 ± 3.9 | 22.9 ± 4.0 | 21.1 ± 3.8 | 18.9 ± 3.8 |
| GDQS, 2-y change | −7.0 ± 1.3 | −3.5 ± 0.8 | 0.0 ± 1.2 | 3.5 ± 0.8 | 7.1 ± 1.6 |
| Weight, baseline, kg | 65.8 ± 11.3 | 66.2 ± 11.5 | 66.2 ± 11.6 | 66.5 ± 12.0 | 66.7 ± 11.6 |
| Weight, 2-y change, kg | 1.5 ± 4.2 | 1.4 ± 3.9 | 1.2 ± 4.0 | 0.8 ± 4.1 | 0.5 ± 4.1 |
| WC, baseline, cm | 85.4 ± 11.0 | 86.2 ± 10.5 | 86.0 ± 10.3 | 86.5 ± 10.4 | 87.3 ± 10.7 |
| WC, 2-y change, cm | 1.5 ± 7.4 | 1.3 ± 7.2 | 1.1 ± 6.9 | 0.5 ± 7.2 | 0.2 ± 7.2 |
| Energy intake, baseline, kcal | 2038 ± 630 | 1915 ± 620 | 1837 ± 639 | 1739 ± 607 | 1647 ± 619 |
| Energy intake, 2-y change, kcal | −402 ± 676 | −206 ± 609 | −60 ± 583 | 86 ± 591 | 288 ± 664 |
| Baseline BMI, kg/m2 | |||||
| <25 | 38.6 | 38.3 | 37.2 | 36.7 | 34.5 |
| ≥25 | 61.3 | 62.0 | 62.6 | 63.2 | 65.3 |
| Smoking | |||||
| Baseline past smoker | 15.0 | 13.5 | 12.2 | 12.1 | 11.9 |
| Starter | 3.8 | 1.8 | 2.4 | 2.4 | 2.8 |
| Quitter | 1.9 | 1.8 | 2.0 | 1.8 | 2.1 |
| Stayed smoker | 6.7 | 5.5 | 5.7 | 5.7 | 4.9 |
| Stayed nonsmoker | 72.3 | 77.2 | 77.5 | 77.6 | 78.1 |
| Alcohol drinking | |||||
| Baseline nondrinker | 2.0 | 1.4 | 1.3 | 1.3 | 1.6 |
| Starter | 7.5 | 7.1 | 7.1 | 6.9 | 7.2 |
| Quitter | 9.2 | 11.3 | 9.8 | 10.1 | 11.3 |
| Stayed drinker | 54.5 | 53.1 | 54.5 | 52.0 | 51.9 |
| Stayed nondrinker | 26.5 | 27.0 | 27.0 | 29.5 | 27.8 |
| Physical activity | |||||
| Low, baseline | 35.5 | 37.7 | 37.2 | 39.5 | 39.3 |
| Middle, baseline | 27.9 | 28.2 | 28.0 | 27.8 | 30.4 |
| High, baseline | 36.4 | 33.9 | 34.6 | 32.6 | 30.2 |
| Low, 2008 | 38.0 | 33.8 | 34.4 | 29.9 | 31.8 |
| Middle, 2008 | 31.8 | 33.7 | 33.4 | 32.5 | 32.9 |
| High, 2008 | 30.0 | 32.4 | 32.1 | 37.5 | 35.2 |
| Household assets, baseline | |||||
| Lowest | 38.3 | 37.2 | 37.8 | 41.5 | 45.7 |
| Medium | 35.9 | 37.1 | 35.6 | 33.4 | 32.9 |
| Highest | 25.6 | 25.6 | 26.4 | 25.0 | 21.2 |
| Education, 2008 | |||||
| None | 2.2 | 1.1 | 2.1 | 1.4 | 1.6 |
| High school or less | 7.7 | 7.0 | 7.8 | 7.2 | 7.5 |
| Undergraduate degree | 79.0 | 79.1 | 81.1 | 82.6 | 80.7 |
| Graduate degree or above | 11.0 | 12.6 | 8.9 | 8.6 | 10.0 |
| Marital status, baseline | |||||
| Single | 14.2 | 15.7 | 16.4 | 14.4 | 15.0 |
| Living together | 9.4 | 9.5 | 10.0 | 10.5 | 11.2 |
| Married | 66.0 | 64.3 | 63.1 | 64.6 | 63.4 |
| Separated | 8.9 | 9.2 | 8.6 | 9.1 | 8.6 |
| Widow | 1.4 | 1.1 | 1.6 | 1.2 | 1.5 |
| Health insurance, baseline | |||||
| Public | 76.0 | 77.8 | 78.3 | 79.6 | 79.2 |
| Private | 20.8 | 19.4 | 19.0 | 17.6 | 17.8 |
| Other | 3.1 | 2.7 | 2.6 | 2.7 | 2.9 |
1
n = 8967. Values are means ± SDs or percentages. Household assets comprised phone, car, computer, vacuum cleaner, microwave oven, cell phone, and internet. Missing data: smoking, n = 569; alcohol drinking, n = 456; physical activity 2006, n = 33; physical activity 2008, n = 95; education, n = 1139; marital status, n = 78; health insurance, n = 204. GDQS, Global Diet Quality Score; WC, waist circumference.