Table:
characteristic
adjusted odds ratio
95% confidence interval

from
to

age group

15 to 19
14.49
7.14
29.38

20 to 24
10.93
5.10
23.45

25 to 29
8.65
3.59
20.85

30 to 34
8.03
3.57
18.03

35 to 39
3.75
1.73
8.09

40 to 49
1.00
1.00
1.00

marital status

married
1.00
1.00
1.00

common-law
1.63
0.87
3.05

previously married
0.74
0.33
1.69

single, never married
1.35
0.68
2.70

parity

nulliparous
2.09
1.27
3.42

parous
1.00
1.00
1.00

sexually active in past year

no
1.00
1.00
1.00

yes
3.96
1.52
10.37

immigrant

no
2.66
1.21
5.84

yes
1.00
1.00
1.00

household income

lower
1.00
1.00
1.00

higher
1.11
0.66
1.89

has regular doctor

no
0.56
0.28
1.10

yes
1.00
1.00
1.00

Statement: the adjusted odds of oc use were higher for women aged 20 to 24 than those aged 40 to 49.
Question: was the adjusted odds of oc use higher for women aged 20 to 24 or was that for those aged 40 to 49?
Answer: 20 to 24