Table 1.
Baseline characteristics of adolescent participants at follow-up; 2008-2009, Lima, Peru.
| Total | Male | Female | p-value | |
|---|---|---|---|---|
| Sample size | 152 | 85 | 67 | |
| Age in years (SD) | 12.5 (0.8) | 12.5 (0.8) | 12.6 (0.7) | 0.41 |
| Mean height-for-age score (SD) | −1.0 (0.9) | −1.0 (0.9) | −1.1 (0.9) | 0.72 |
| Height-for-age < −1, % (SD) | 50.7 (77) | 51.8 (44) | 49.3 (33) | 0.76 |
| Stunted (Height-for-age < −2), % (n) | 13.1% (20) | 8.1 (7) | 19.4 (13) | 0.04 |
| Mean body mass for index score (SD) | 0.6 (1.1) | 0.5 (1.2) | 0.7 (1.0) | 0.37 |
| Overweight (Body mass index-for age≥1), % (n) | 34.8 (53) | 28.2 (24) | 43.3 (29) | 0.07 |
| Obese (Body mass index-for age≥2), % (n) | 11.1 (17) | 13.95 (12) | 7.5 (5) | 0.21 |
| Fat Mass Index (SD) | 5.4 (2.4) | 4.7 (2.1) | 6.3 (2.5) | <0.01 |
| Fat Free Mass Index (SD) | 14.8 (1.3) | 15.0 (1.4) | 14.5 (0.9) | 0.02 |
| Percent Body Fat % (SD) | 25.6 (7.7) | 22.7 (6.6) | 29.2 (7.5) | <0.01 |
| Mean age of entry into study, days | 13.9 (14.6) | 15.0 (15.4) | 12.2 (13.6) | 0.26 |
| Educationally-deprived mother, % (n) | 69.3 (106) | 72.1 (62) | 66.0 (44) | 0.40 |
| Repeated a grade, % (n) | 26.8 (41) | 22.1 (19) | 32.8 (22) | 0.14 |
| Upper tertile of people per room % (n) | 30.1 (46) | 30.2 (26) | 29.9 (20) | 0.96 |
| In home water % (n) | 86.9 (133) | 87.2 (75) | 86.6 (58) | 0.92 |
| In home sewage % (n) | 88.2 (135) | 89.5 (77) | 88.6 (58) | 0.61 |
p values derived from linear regression comparing difference in prevalence of each measurement by gender.