Table 3.

Odds ratios (OR, 95% CI) for having experienced sexual intercourse according to depression and exact age(continuous), stratified for age groups (Model 1)

	Model 1: Depression and age		Model 2: Depression and age, controlled for sociodemographic variables
	Boys	Girls	Boys	Girls
13
Depression	2.7 (2.4–3.0)	4.7 (4.1–5.4)	2.5 (2.2–2.8)	4.4 (3.8–5.1)
Age (continuous)	2.1 (1.6–2.7)	1.8 (1.4–2.3)	2.0 (1.5–2.6)	1.8 (1.3–2.3)
14
Depression	2.7 (2.4–3.0)	4.7 (4.1–5.4)	2.5 (2.2–2.8)	4.4 (3.8–5.1)
Age (continuous)	2.1 (1.6–2.7)	1.8 (1.4–2.3)	2.0 (1.5–2.6)	1.8 (1.3–2.3)
15
Depression	1.5 (1.4–1.6)	1.6 (1.5–1.8)	1.4 (1.3–1.5)	1.5 (1.4–1.7)
Age (continuous)	2.3 (2.1–2.5)	1.9 (1.8–2.1)	2.3 (2.1–2.6)	2.0 (1.8–2.2)
16
Depression	1.1 (1.1–1.2)	1.1 (1.0–1.2)	1.1 (1.0–1.2)	1.0 (0.9–1.1)
Age (continuous)	1.9 (1.7–2.1)	1.7 (1.6–1.9)	1.9 (1.7–2.1)	1.7 (1.6–1.9)
17
Depression	1.0 (0.9–1.1)	1.1 (0.9–1.3)	0.9 (0.8–1.1)	1.0 (0.9–1.2)
Age (continuous)	1.9 (1.6–2.4)	2.0 (1.6–2.4)	1.6 (1.3–2.0)	1.9 (1.5–2.3)
18
Depression	0.8 (0.6–1.1)	0.7 (0.5–0.9)	0.7 (0.5–1.0)	0.7 (0.4–1.0)
Age (continuous)	1.4 (0.9–2.1)	0.8 (0.5–1.3)	1.6 (1.0–2.6)	0.8 (0.5–1.3)
19
Depression	1.1 (0.6–1.7)	1.4 (0.7–2.7)	1.0 (0.6–1.7)	1.3 (0.6–2.7)
Age (continuous)	1.9 (0.5–7.3)	0.5 (0.1–2.8)	1.7 (0.4–7.3)	0.6 (0.1–4.7)