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. 2010 Aug 19;10:503. doi: 10.1186/1471-2458-10-503

Table 1.

Characteristics of respondents by family structure

Intact (n = 30749) Maternal (n = 1598) Paternal (n = 360) No-parent (n = 254) Total (n = 32961) *Non-intact (n = 2212)
n (%) n (%) n (%) n (%) n (%) n (%)

Sex
 Boys 14354 (46.7) 684 (42.8) 198 (55.0) 173 (68.1) 15409 (46.7) 1055 (47.7)
 Girls 16395 (53.5) 914 (57.2) 162 (45.0) 81 (31.9) 17552 (53.3) 1157 (52.3)
Age group
 12 or below 7066 (23.0) 296 (18.5) 77 (21.4) 58 (22.8) 7497 (22.7) 431 (19.5)
 13 5485 (17.8) 226 (14.1) 63 (17.5) 60 (23.6) 5834 (17.7) 349 (15.8)
 14 4860 (15.8) 244 (15.3) 61 (16.9) 30 (11.8) 5195 (15.8) 335 (15.1)
 15 4061 (16.1) 292 (18.3) 48 (13.3) 33 (13.0) 5334 (16.2) 373 (16.9)
 16 5066 (16.5) 288 (18.0) 70 (19.4) 45 (17.7) 5469 (16.6) 403 (18.2)
 17 or above 3311 (10.8) 252 (15.8) 41 (11.4) 28 (11.0) 3632 (11.0) 321 (14.5)
Housing type
 Private/subsidized 15578 (51.0) 622 (39.5) 162 (45.6) 56 (22.4) 16418 (50.1) 840 (38.5)
 Public 12990 (42.5) 858 (54.4) 157 (44.2) 162 (64.8) 14167 (43.3) 1177 (54.0)
 Temporary or others 1993 (6.5) 96 (6.1) 36 (10.1) 32 (12.8) 2157 (6.6) 164 (7.5)
Parental
Smoking
 Both smoke 17630 (57.4) 833 (52.2) 164 (45.6) 112 (44.4) 17630 (57.4) 11.9 (50.2)
 Only father 11089 (36.1) 522 (32.7) 151 (41.9) 93 (36.9) 11089 (36.1) 766 (34.7)
 Only mother 340 (1.1) 61 (3.8) 7 (1.9) 7 (2.8) 340 (1.1) 75 (3.4)
 Both do not 1125 (3.7) 98 (6.1) 25 (6.9) 19 (7.5) 1125 (3.7) 142 (6.4)
 Don't know 535 (1.7) 82 (5.1) 13 (3.6) 21 (8.3) 535 (1.7) 116 (5.3)
Smoking
 Non-current 28296 (92.1) 1409 (88.2) 300 (83.3) 206 (81.1) 30211 (91.7) 1915 (86.6)
 Current 2437 (7.9) 188 (11.8) 60 (16.7) 48 (18.9) 2733 (8.3) 296 (13.4)
Alcohol drinking
 Less than weekly 28783 (93.9) 1465 (92.0) 312 (87.4) 196 (78.4) 30756 (93.6) 1973 (89.7)
 Weekly 1880 (6.1) 128 (8.0) 45 (12.6) 54 (21.6) 2107 (6.4) 227 (10.3)
Drug use
 Never 28837 (94.0) 1455 (91.2) 316 (88.3) 208 (82.2) 30816 (93.7) 1979 (89.7)
 Ever 1835 (6.0) 140 (8.8) 42 (11.7) 45 (17.8) 2062 (6.3) 227 (10.3)

*Includes paternal, maternal or no-parent family