Table 4a Characteristics of participating households by city in the prenatal period.

From: The Canadian Healthy Infant Longitudinal Development (CHILD) birth cohort study: assessment of environmental exposures

 

Edmonton

Toronto

Vancouver

Manitoba

All centers

Number of adult occupants (n (%))

 One adult

18 (2.4)

17 (2.1)

14 (1.9)

37 (3.7)

86 (2.6)

 Two adults

627 (83.7)

694 (85.9)

606 (82.8)

863 (85.4)

2790 (84.6)

 Three adults

68 (9.1)

51 (6.3)

53 (7.2)

60 (5.9)

232 (7.0)

 Four or more adults

36 (4.8)

46 (5.7)

59 (8.1)

50 (5.0)

191 (5.8)

Number of child occupants (excluding the index child) (n (%))

 No. of children

309 (41.5)

465 (57.5)

411 (56.1)

458 (45.4)

1643 (49.9)

 One child

297 (39.9)

255 (31.6)

245 (33.5)

325 (32.2)

1122 (34.1)

 Two children

115 (15.4)

73 (9.0)

57 (7.8)

155 (15.4)

400 (12.1)

 Three or more children

24 (3.2)

15 (1.9)

19 (2.6)

70 (6.9)

128 (3.9)

Furry pets in the home (n/N (%))

 Pets

428/749 (57.1)

320/807 (39.7)

310/731 (42.4)

542/1010 (53.7)

1600/3297 (48.5)

Pests noticed in the home in the past year (n/N (%))

 Any pests

254/749 (33.9)

368/808 (45.5)

363/731 (49.7)

407/1009 (40.3)

1392/3297 (42.2)

 Rodents

70/749 (9.3)

117/808 (14.5)

89/731 (12.2)

162/1009 (16.1)

438/3297 (13.3)

 Cockroaches

3/749 (0.4)

29/808 (3.6)

10/731 (1.4)

4/1008 (0.4)

46/3296 (1.4)

  1. Note: sample sizes within each center differ for some characteristics owing to differences in missing values, in which case data are presented as n/N (%) where N is the total sample available for that variable in that center.