Table 1 Descriptive characteristics* of junior high school students in Ho Chi Minh City in 2007 by gender
| Â | Boys | Girls | Total |
|---|---|---|---|
| Â | (n = 284) | (n = 333) | (n = 617) |
| Â | % or mean | % or mean | % or mean |
| Â | (95% CI) | (95% CI) | (95% CI) |
Age (years) | 13.9 (13.6, 14.2) | 14.0 (13.7, 14.3) | 13.9 (13.7, 14.2) |
Height (cm) | 158.6 (156.3, 160.8) | 154.4 (153.4, 155.3) | 156.3 (154.8, 157.7) |
Weight (kg) | 50.9 (48.5, 53.3) | 47.1 (45.6, 48.6) | 48.8 (47.3, 50.3) |
Sum of four skinfolds (cm) | 52.7 (50.0, 55.6) | 60.2 (57.8, 62.6) | 55.95 (53.1, 58.8) |
Waist circumference (cm) | 68.8 (67.4, 70.1) | 66.3 (64.9, 67.8) | 67.4 (66.5, 68.4) |
BMI (kg/m2) | 19.7 (19.3, 20,1) | 19.6 (19.2,19.9) | 19.7 (19.4, 19.9) |
Glucose (mmol/L) | 4.79 (4.7, 4.9) | 4.66 (4.6, 4.7) | 4.72 (4.7, 4.8) |
HDL-c (mmol/L) | 1.40 (1.3, 1.4) | 1.50 (1.4,1.5) | 1.46 (1.40, 1.51) |
LDL-c (mmol/L) | 2.37 (2.3, 2.5) | 2.37 (2.3, 2.4) | 2.39 (2.3, 2.4) |
Triglyceride (mmol/L) | 1.17 (1.1, 1.2) | 1.08 (1.0, 1.1) | 1.12 (1.1, 1.2) |
Systolic blood pressure (mmHg) | 118.8 (117.5, 120.2) | 115.4 (114.0,116.7) | 116.5 (115.1, 117.9) |
Diastolic blood pressure (mmHg) | 73.6 (72.4,74.9) | 71.5 (70.5, 72.6) | 72.3 (70.7, 73.8) |
Moderate and vigorous PA (min/d) | 68.0 (63.4, 72.7) | 53.6 (50.2, 57.1) | 60.3 (57.4, 63.2) |
Maternal education | Â | Â | Â |
No schooling or incomplete primary school | 7.2 (2.4, 11.9) | 7.3 (2.6, 11.9) | 6.7 (2.6, 10.8) |
Incomplete junior high school | 17.8 (12.0, 23.6) | 2.0 (13.1, 27.6) | 19.4 (13.9, 24.9) |
Incomplete senior high school | 19.9 (15.1, 24.7) | 25.1 (19.5, 30.7) | 22.5 (19.4, 25.6) |
Complete senior high school or higher | 55.1 (44.5, 65.7) | 47.3 (36.0, 58.5) | 51.3 (41.3, 61.4) |
Pubertal status | Â | Â | Â |
Prepubescent | 20.6 (12.7, 28.5) | 11.7 (4.4, 19.1) | 15.8 (9.4, 22.1) |
Pubescent | 78.4 (70.4, 86.5) | 86.3 (79.3, 93.4) | 82.7 (76.5, 89.0) |
Postpubescent | 0.9 (0.3, 2.0) | 1.9 (0.3, 3.5) | 1.5 (0.2, 2.8) |
Economic status | Â | Â | Â |
Poorest (1st quintile) | 20.6 (13.0, 28.2) | 25.4 (18.0, 32.8) | 25.4 (18.0, 32.8) |
2nd quintile | 20.2 (14.4, 21.6) | 18.8 (12.8, 24.7) | 18.8 (12.8, 24.7) |
3rd quintile | 13.3 (5.0, 21.6) | 25.2 (16.7, 33.7) | 25.2 (16.6, 33.7) |
4th quintile | 26.7 (17.8, 35.6) | 12.6 (8.8, 16.4) | 12.6 (8.8, 16.4) |
Richest (5th quintile) | 19.2 (10.5, 27.8) | 18.0 (9.3, 26.7) | 18.0 (9.3, 26.7) |
Overweight/obesea | 20.5 | 11.4 | 15.5 |
Yes | (13.4, 27.6) | (6.1, 16.7) | (11.6, 19.5) |