Gender
| | | | | |
Male
|
977 (52.5)
|
84 (8.6)
|
0.481
|
99 (10.1)
|
0.969
|
Female
|
883 (47.5)
|
68 (7.7)
| |
89 (10.1)
| |
Age
| | | | | |
5-6 years (60-83 months)
|
460 (24.7)
|
19 (4.1)
|
< 0.001
|
52 (11.3)
|
0.003
|
7-8 years (84-107 months)
|
634 (34.1)
|
40 (6.3)
| |
52 (8.2)
| |
9-10 years (108-131 months)
|
579 (31.1)
|
58 (10.0)
| |
52 (9.0)
| |
11-12 years (132-155 months)
|
187 (10.1)
|
35 (18.7)
| |
32 (17.1)
| |
Area and socioeconomic status (SES)
| | | | | |
Urban, high SES
|
465 (25.0)
|
13 (2.8)
|
< 0.001
|
23 (4.9)
|
< 0.001
|
Urban, middle SES
|
465 (25.0)
|
11 (2.4)
| |
33 (7.1)
| |
Urban, low SES
|
465 (25.0)
|
47 (10.1)
| |
65 (14.0)
| |
Rural, low/disadvantaged SES
|
465 (25.0)
|
81 (17.4)
| |
67 (14.4)
| |
Neighborhood income
| | | | | |
Low
|
651 (35.0)
|
109 (16.7)
|
< 0.001
|
93 (14.3)
|
< 0.001
|
Middle
|
910 (48.9)
|
37 (4.1)
| |
80 (8.8)
| |
High
|
299 (16.1)
|
06 (2.0)
| |
15 (5.0)
| |
Parental education
| | | | | |
Illiterate
|
366 (19.7)
|
51 (13.9)
|
< 0.001
|
55 (15.0)
|
< 0.001
|
High school
|
496 (26.7)
|
60 (12.1)
| |
63 (12.7)
| |
College
|
531 (28.5)
|
20 (3.8)
| |
44 (8.3)
| |
Higher education
|
467 (25.1)
|
21 (4.5)
| |
26 (5.6)
| |
Number of siblings
| | | | | |
No
|
26 (1.4)
|
01 (3.8)
|
< 0.001
|
02 (7.7)
|
0.016
|
1-3
|
1008 (54.2)
|
51 (5.1)
| |
84 (8.3)
| |
> 3
|
826 (44.4)
|
100 (12.1)
| |
102 (12.3)
| |
Number of persons in child's living room
| | | | | |
No
|
116 (6.2)
|
01 (0.9)
|
< 0.001
|
03 (2.6)
|
0.006
|
1-3
|
791 (42.5)
|
50 (6.3)
| |
74 (9.4)
| |
> 3
|
953 (51.2)
|
101 (10.6)
| |
111 (11.6)
| |
Smoking in living place
| | | | | |
Yes
|
546 (29.4)
|
65 (11.9)
|
< 0.001
|
56 (10.3)
|
0.891
|
No
|
1314 (70.6)
|
87 (6.6)
| |
132 (10.0)
| |