Table 2.

Proportional Odds Ratio (POR) for endorsing a score on items of Beck Depression Inventory II (BDI-II), at 13 and 17 years of age, using girls as reference and adjusting for BDI-II global score

	POR (95% CI)
BDI-II items	13 years of age	17 years of age
1. Sadness	0.50 (0.39–0.63)	0.59 (0.46–0.76)
2. Pessimism	0.80 (0.63–1.02)	0.80 (0.64–0.99)
3. Past failure	1.03 (0.80–1.32)	1.09 (0.85–1.39)
4. Loss of pleasure	1.13 (0.90–1.41)	1.10 (0.85–1.42)
5. Guilty feelings	1.27 (1.03–1.58)	1.11 (0.90–1.39)
6. Punishment feelings	1.50 (1.23–1.87)	1.13 (0.87–1.46)
7. Self-dislike	0.79 (0.58–1.09)	0.67 (0.50–0.90)
8. Self-criticalness	0.78 (0.62–0.99)	1.34 (1.08–1.68)
9. Suicidal thoughts or wishes	1.19 (0.80–1.77)	1.24 (0.79–1.93)
10. Crying	0.21 (0.15–0.28)	0.27 (0.20–0.35)
11. Agitation	0.82 (0.66–1.02)	0.89 (0.72–1.11)
12. Loss of interest	1.11 (0.82–1.50)	1.41 (1.07–1.84)
13. Indecisiveness	0.73 (0.57–0.92)	1.11 (0.88–1.39)
14. Worthlessness	1.23 (0.88–1.72)	1.36 (0.95–1.93)
15. Loss of energy	1.04 (0.81–1.35)	0.77 (0.61–0.98)
16. Changes in sleeping pattern	1.02 (0.84–1.23)	1.00 (0.83–1.20)
17. Irritability	0.83 (0.65–1.07)	0.80 (0.63–1.01)
18. Changes in appetite	0.82 (0.67–0.99)	0.70 (0.58–0.86)
19. Concentration difficulty	0.69 (0.56–0.84)	0.90 (0.74–1.09)
20. Tiredness or fatigue	0.89 (0.70–1.13)	0.64 (0.51–0.80)
21. Loss of interest in sex	1.86 (1.24–2.82)	1.23 (0.83–1.82)