|
Maternal characteristics (n = 438)
|
|
Age at explosion (years)*
|
|
< 11
|
137 (31.3)
|
162.0 (57.8–327.0)
|
|
11–17
|
143 (32.7)
|
55.0 (26.7–111.0)
|
|
18+
|
158 (36.1)
|
43.8 (22.0–99.5)
|
|
Atopic history
|
|
Yes
|
91 (20.8)
|
85.2 (35.0–222.0)
|
|
No
|
347 (79.2)
|
63.3 (29.1–166.0)
|
|
Age at pregnancy (years)
|
|
< 26
|
140 (20.7)
|
44.1 (21.0–103.5)
|
|
26–29
|
194 (28.7)
|
62.3 (29.6–160.0)
|
|
30–33
|
177 (26.2)
|
76.2 (34.4–214.0)
|
|
34+
|
165 (24.4)
|
76.9 (37.5–214.0)
|
|
BMI (kg/m2) closest to birth year
|
|
< 25 (underweight/normal)
|
477 (70.6)
|
67.5 (30.8–185.0)
|
|
25–29 (overweight)
|
148 (21.9)
|
49.9 (23.7–164.0)
|
|
30+ (obese)
|
51 (7.5)
|
86.7 (28.4–162.0)
|
|
Smoking during pregnancy a
|
|
Yes
|
63 (9.3)
|
55.2 (20.7–109.0)
|
|
No
|
609 (90.1)
|
66.8 (30.2–185.0)
|
|
Child Characteristics (n = 676)
|
|
Pre-term birth (< 37 weeks)
|
|
Yes
|
46 (6.8)
|
90.2 (33.2–245.0)
|
|
No
|
630 (93.2)
|
64.3 (29.6–173.0)
|
|
Season of birth
|
|
Spring
|
174 (25.7)
|
55.5 (29.0–196.0)
|
|
Summer
|
167 (24.7)
|
66.8 (29.9–174.0)
|
|
Fall
|
171 (25.3)
|
66.7 (28.6–176.0)
|
|
Winter
|
164 (24.3)
|
72.6 (33.4–170.0)
|
|
Breastfeeding duration (months)
|
|
< 1
|
214 (31.7)
|
60.3 (28.6–150.0)
|
|
1–4
|
250 (37.0)
|
69.9 (30.6–173.0)
|
|
5+
|
212 (31.4)
|
66.2 (34.4–212.0)
|
|
Birth order
|
|
1
|
401 (59.3)
|
70.0 (31.0–185.0)
|
|
2
|
236 (34.9)
|
63.3 (29.3–172.0)
|
|
3+
|
39 (5.8)
|
49.9 (19.5–105.0)
|
|
Sex
|
|
Males
|
336 (49.7)
|
60.1 (26.9–158.5)
|
|
Females
|
340 (50.3)
|
75.0 (33.2–196.0)
|
|
Age at follow-up*
|
|
2–13
|
161 (23.8)
|
166.0 (49.0–433.0)
|
|
14–22
|
167 (24.7)
|
66.2 (33.2–163.4)
|
|
23–30
|
171 (25.3)
|
60.0 (29.4–123.0)
|
|
31–39
|
177 (26.2)
|
40.7 (21.3–85.2)
|
|
Primary wage earner education at follow-up
|
|
Less than high school
|
200 (29.6)
|
65.3 (29.8–153.5)
|
|
High school
|
251 (37.1)
|
75.2 (33.3–247.0)
|
|
Greater than high school
|
225 (33.3)
|
60.0 (23.9–140.0)
|
