Table 1 Demographic characteristics of study participants at seven selected schools in Dhaka, Bangladesh 2007
Characteristics | Control | Case | p value |
|---|---|---|---|
N = 99 | N = 99 | ||
Age in years, mean (SD) | 13.2 (0.1) | 13.1 (0.1) | >0.05* |
Male sex, n (%) | 52 (53) | 55 (56) | >0.05*** |
Participant’s class, n (%) | |||
Five | 8 (8) | 8 (8) | >0.05*** |
Six | 16 (16) | 16 (16) | >0.05*** |
Seven | 27 (27) | 24 (24) | >0.05*** |
Eight | 27 (27) | 29 (29) | >0.05*** |
Nine | 20 (20) | 21 (21) | >0.05*** |
Ten | 1 (1) | 1 (1) | >0.05*** |
Birth weight in kg, mean (SD) | 3.2 (0.7) | 3.0 (0.8) | >0.05* |
Sleeping time/day, mean ((SD) | 7.7 (1.0) | 7.4 (1.0) | >0.05* |
BMI, mean (SD) | 18.5 (2.4) | 28.8 (3.6) | <0.01* |
Monthly family expenditure in US$, median (IQR) | 522 (373–597) | 522 (448–746) | >0.1** |
At least one overweight parent§, n (%) | 31 (32) | 54 (56) | <0.00*** |
Maternal education | |||
Up to higher secondary, n (%) | 35 (35) | 34 (34) | >0.05*** |
Graduation degree and more, n (%) | 60 (61) | 64 (65) | >0.05*** |