Variable | Intervention group n = 145 | Control group n = 131 | P |
---|---|---|---|
Children’s age (years), n (%) a | .94 | ||
0– | 54 (37.2) | 49 (37.4) | |
1– | 46 (31.7) | 40 (30.5) | |
2– | 45 (31.0) | 42 (32.1) | |
Fathers’ age (years), n (%) a | .35 | ||
< 25 | 8 (5.5) | 4 (3.1) | |
25–30 | 49 (32.4) | 38 (29.0) | |
30–35 | 57 (38.6) | 56 (42.7) | |
> 35 | 35 (23.5) | 34 (25.2) | |
Fathers’ education, n (%) a | .09 | ||
Senior high school or below | 14 (9.7) | 14 (10.7) | |
College | 36 (24.8) | 17 (13.0) | |
Undergraduate or above | 95 (65.5) | 100 (76.3) | |
Fathers’ occupation, n (%) b | .12 | ||
Employee of state-owned enterprises and public institutions | 43 (29.7) | 47 (35.9) | |
Employee of foreign-funded, private and enterprises | 67 (46.2) | 65 (49.6) | |
Other (farmers, soldiers, freelancers) | 35 (24.1) | 19 (14.5) | |
Unemployed | 0 (0) | 0 (0) | |
Mothers’ age (years), n (%) a | .05 | ||
< 25 | 15 (10.3) | 9 (6.9) | |
25–30 | 68 (46.9) | 49 (37.4) | |
30–35 | 41 (28.3) | 51 (38.9) | |
> 35 | 21 (14.5) | 22 (16.8) | |
Mothers’ education, n (%) a | .18 | ||
Senior high school or below | 19 (13.1) | 16 (12.2) | |
College | 33 (22.8) | 20 (15.3) | |
Undergraduate or above | 93 (64.1) | 95 (72.5) | |
Mothers’ occupation, n (%) b | .17 | ||
Employee of state-owned enterprises and public institutions | 34 (23.4) | 36 (27.5) | |
Employee of foreign-funded, private and enterprises | 54 (37.2) | 60 (45.8) | |
Other (farmers, soldiers, freelancers) | 42 (29.0) | 27 (20.6) | |
Unemployed | 15 (10.3) | 69 (25.0) | |
Score of knowledge, mean (95% CI) c | 4.41 (4.19–4.63) | 4.50 (4.26–4.75) | .56 |