| | |
Unadjusted
|
Adjusteda
|
---|
|
No.
|
Mean (SD)
|
Beta
|
95%CI
|
P
|
Beta
|
95%CI
|
P
|
---|
OC Use
| | | | | | | | |
Never
|
37
|
167.2 (58.7)
|
Reference
|
0.37
|
Reference
|
0.30
|
Ever
|
111
|
176.8 (56.1)
|
9.6
|
-11.7, 30.9
| |
10.8
|
-9.7, 31.3
| |
Never
|
37
|
167.2 (58.7)
|
Reference
|
0.18
|
Reference
|
0.09
|
Past
|
87
|
181.4 (56.9)
|
14.2
|
-7.7, 36.1
| |
16.4
|
-4.7, 37.6
| |
Current
|
24
|
160.2 (51.1)
|
-7.0
|
-36.3, 22.2
| |
-7.7
|
-35.6, 20.2
| |
Age at first use
| | | | | | | | |
Never
|
37
|
167.2 (58.7)
|
Reference
|
0.04
|
Reference
|
0.04
|
Current
|
24
|
160.2 (51.1)
|
-7.0
|
-35.8, 21.7
| |
-7.8
|
-35.4, 19.8
| |
Past
| | | | | | | | |
≤ 18 years
|
47
|
168.8 (52.7)
|
1.4
|
-22.5, 25.7
| |
5.5
|
-17.8, 28.9
| |
19 to 24 years
|
28
|
188.8 (61.0)
|
21.5
|
-5.9, 49.0
| |
22.5
|
-4.2, 49.1
| |
≥ 25 years
|
12
|
213.8 (50.6)
|
46.5
|
10.1, 83.0
| |
43.8
|
8.8, 78.8
| |
Time since first use
| | | | | | | | |
Never
|
37
|
167.2 (58.7)
|
Reference
|
0.01
|
Reference
|
0.03
|
Current
|
24
|
160.2 (51.1)
|
-7.0
|
-35.4, 21.3
| |
-7.5
|
-35.0, 19.9
| |
Past
| | | | | | | | |
≥ 20 years
|
25
|
156.0 (47.4)
|
-11.3
|
-39.3, 16.8
| |
-1.4
|
-29.3, 26.4
| |
15 to 19 years
|
32
|
179.2 (54.5)
|
12.0
|
-14.2, 38.1
| |
11.8
|
-13.7, 37.4
| |
< 15 years
|
30
|
205.0 (58.4)
|
37.8
|
11.2, 64.4
| |
35.1
|
9.3, 61.0
| |
Time since last use
| | | | | | | | |
Never
|
37
|
167.2 (58.7)
|
Reference
|
0.35
|
Reference
|
0.30
|
Current
|
24
|
160.2 (51.1)
|
-7.0
|
-36.4, 22.3
| |
-7.7
|
-35.8, 20.4
| |
Past
| | | | | | | | |
<5 years
|
26
|
183.0 (58.1)
|
15.7
|
-12.9, 44.4
| |
14.4
|
-13.0, 42.0
| |
5 to <10 years
|
29
|
188.3 (61.9)
|
21.1
|
-6.7, 48.8
| |
20.7
|
-6.1, 47.6
| |
≥ 10 years
|
32
|
173.9 (51.7)
|
6.7
|
-20.3, 33.8
| |
14.2
|
-12.0, 40.5
| |
Duration of use
| | | | | | | | |
Never
|
37
|
167.2 (58.7)
|
Reference
|
0.23
|
Reference
|
0.22
|
Current
|
24
|
160.2 (51.1)
|
-7.0
|
-36.3, 22.2
| |
-7.7
|
-35.7, 20.3
| |
Past
| | | | | | | | |
<5 years
|
21
|
197.0 (65.2)
|
29.8
|
-0.7, 60.2
| |
25.8
|
-3.6, 55.2
| |
5 to < 10 years
|
33
|
178.6 (50.2)
|
11.4
|
-15.3, 38.1
| |
16.3
|
-9.5, 42.0
| |
≥ 10 years
|
33
|
174.3 (57.4)
|
7.1
|
-19.6, 33.8
| |
10.2
|
-15.7, 36.2
| |
Year of first use
| | | | | | | | |
Never
|
37
|
167.2 (58.7)
|
Reference
|
0.03
|
Reference
|
0.02
|
Current
|
24
|
160.2 (51.1)
|
-7.0
|
-35.9, 21.8
| |
-8.1
|
-35.6, 19.4
| |
Past
| | | | | | | | |
1979 to 1994
|
73
|
175.4 (54.8)
|
8.2
|
-14.0, 30.4
| |
10.8
|
-10.6, 32.2
| |
1995 to 2004
|
14
|
212.9 (59.2)
|
45.6
|
11.1, 80.1
| |
46.6
|
13.4, 79.8
| |
-
a Adjusted for current weight (75th percentile and above vs. below), days since last reported menstrual cycle (<=14 vs. >14), and current physical activity at least once per week (ever vs. never)