Table 1.
Study variables | Total sample | Gender | Education | |||
---|---|---|---|---|---|---|
n, % | Mean ± s.d. | Male | Female | Lower | Higher | |
Age, years | ||||||
10–19 | 683, 6.8% | 20.46 ± 5.95 | 19.67 ± 5.85 | 21.19 ± 5.95 | 19.82 ± 6.16 | 21.58 ± 5.39 |
20–29 | 7165, 71.3% | 21.47 ± 5.86 | 20.33 ± 5.89 | 22.91 ± 5.50 | 20.93 ± 6.05 | 21.53 ± 5.84 |
30–39 | 1218, 12.1% | 21.34 ± 6.34 | 20.19 ± 6.13 | 23.38 ± 6.18 | 20.98 ± 7.54 | 21.42 ± 6.05 |
40–49 | 410, 4.1% | 21.09 ± 6.42 | 20.50 ± 6.26 | 21.58 ± 6.53 | 21.08 ± 6.55 | 21.10 ± 6.27 |
50–59 | 371, 3.7% | 20.37 ± 6.33 | 20.51 ± 6.08 | 20.17 ± 6.66 | 20.66 ± 6.88 | 19.95 ± 5.43 |
≥60 | 196, 1.9% | 19.88 ± 6.98 | 19.58 ± 7.01 | 20.61 ± 6.90 | 19.55 ± 7.05 | 20.40 ± 6.89 |
P-value | − | <0.001 | 0.278 | <0.001 | 0.022 | 0.014 |
Occupation | ||||||
Unemployed | 360, 3.6% | 21.42 ± 6.32 | 20.89 ± 6.33 | 22.52 ± 6.19 | 19.23 ± 7.11 | 21.87 ± 6.07 |
Employed | 2586, 25.7% | 21.01 ± 6.25 | 20.26 ± 6.18 | 23.25 ± 5.92 | 20.37 ± 7.03 | 21.17 ± 6.04 |
Retired | 91, 0.9% | 20.53 ± 6.74 | 20.44 ± 6.78 | 21.08 ± 6.71 | 21.15 ± 5.93 | 20.26 ± 7.08 |
Housewife | 1147, 11.4% | 21.83 ± 6.41 | 20.29 ± 5.23 | 22.19 ± 6.61 | 21.26 ± 6.86 | 22.24 ± 6.02 |
Student | 5868, 58.4% | 21.33 ± 5.77 | 20.22 ± 5.85 | 22.64 ± 5.39 | 20.39 ± 5.88 | 21.48 ± 5.74 |
P-value | − | 0.003 | 0.563 | 0.008 | 0.051 | <0.001 |
Residence | ||||||
Village | 2330, 23.2% | 20.89 ± 6.38 | 20.41 ± 6.22 | 21.97 ± 6.59 | 20.01 ± 7.17 | 21.27 ± 5.96 |
Upazila town | 1358, 13.5% | 21.57 ± 5.85 | 20.69 ± 5.91 | 22.94 ± 5.49 | 21.06 ± 6.00 | 21.69 ± 5.81 |
District town | 2330, 23.2% | 21.56 ± 5.91 | 20.32 ± 5.95 | 22.81 ± 5.59 | 21.05 ± 6.12 | 21.68 ± 5.85 |
Divisional town | 4034, 40.1% | 21.29 ± 5.88 | 19.96 ± 5.82 | 22.67 ± 5.63 | 20.71 ± 6.02 | 21.38 ± 5.86 |
P-value | − | <0.001 | 0.014 | 0.007 | 0.023 | 0.084 |
Administrative division | ||||||
Barishal | 207, 2.1% | 21.49 ± 6.91 | 20.05 ± 7.32 | 23.65 ± 5.64 | 23.00 ± 8.15 | 21.17 ± 6.61 |
Chittagong | 2406, 23.9% | 21.38 ± 5.94 | 20.40 ± 5.93 | 22.74 ± 5.69 | 21.24 ± 6.39 | 21.42 ± 5.83 |
Dhaka | 4286, 42.6% | 21.53 ± 5.81 | 20.28 ± 5.76 | 22.92 ± 5.54 | 20.94 ± 5.82 | 21.64 ± 5.80 |
Khulna | 1044, 10.4% | 20.62 ± 6.52 | 19.85 ± 6.50 | 21.62 ± 6.41 | 18.67 ± 7.35 | 21.43 ± 5.96 |
Mymensingh | 256, 2.5% | 21.37 ± 6.06 | 20.10 ± 6.15 | 23.33 ± 5.40 | 21.60 ± 5.28 | 21.33 ± 6.21 |
Rajshahi | 944, 9.4% | 21.11 ± 6.08 | 20.52 ± 5.97 | 22.04 ± 6.15 | 20.94 ± 6.71 | 21.16 ± 5.90 |
Rangpur | 558, 5.6% | 20.42 ± 6.09 | 19.99 ± 5.91 | 21.31 ± 6.37 | 18.47 ± 6.49 | 21.06 ± 5.82 |
Sylhet | 333, 3.3% | 21.55 ± 5.99 | 20.32 ± 6.19 | 22.92 ± 5.46 | 22.24 ± 5.83 | 21.40 ± 6.02 |
P-value | − | <0.001 | 0.576 | <0.001 | <0.001 | 0.345 |
Marital status | ||||||
Single | 7071, 70.3% | 21.20 ± 5.79 | 20.23 ± 5.83 | 22.62 ± 5.44 | 20.43 ± 6.04 | 21.32 ± 5.74 |
Married | 2838, 28.2% | 21.56 ± 6.46 | 20.40 ± 6.37 | 22.74 ± 6.35 | 20.82 ± 6.92 | 21.88 ± 6.24 |
Divorced/widowed/other | 143, 1.4% | 20.90 ± 6.80 | 19.78 ± 7.35 | 21.35 ± 6.56 | 19.93 ± 7.27 | 22.37 ± 5.79 |
P-value | − | 0.016 | 0.571 | 0.064 | 0.284 | 0.001 |