Table 3 Prevalence and predictors of self-harm

 HIV status

Positive (PHIV)

37/303 (12.2)

1

1

Negative (HIV-)

19/100 (19.0)

1.7 (0.9, 3.1)

0.091

1.6 (0.8, 3.1)

0.212

 Sex

Male

5/155 (3.2)

1

1

Female

51/248 (20.6)

7.8 (3.0, 19.9)

< 0.001

5.3 (1.9, 14.1)

0.001

 Age

≤15 years

15/157 (9.6)

16–18 years

27/160 (16.9)

≥19 years

14/86 (16.3)

Per 1 year inc.

1.1 (1.0, 1.2)

0.214

1.0 (0.9, 1.2)

0.924

 Social services support

No

34/283 (12.0)

1

Yes

21/112 (18.8)

1.7 (0.9, 3.1)

0.084

 PedsQL (HRQL score)

≥median

14/210 (6.7)

<median

42/191 (22.0)

Per 25 point inc.

0.3 (0.2, 0.5)

< 0.001

 Rosenberg self-esteem

≥median

14/240 (5.8)

<median

42/162 (25.9)

Per 1 point inc.

0.9 (0.8, 0.9)

< 0.001

0.9 (0.8, 0.9)

< 0.001

 MMQL Body image

≥median

19/232 (8.2)

<median

36/152 (23.7)

Per 25 point inc.

0.5 (0.3, 0.6)

< 0.001

 HADS Anxiety score

Normal (< 8)

22/234 (9.4)

Mild (8–10)

19/80 (23.8)

Moderate (11–14)

9/50 (18.0)

Severe (≥15)

3/12 (25.0)

Per 1 point inc.

1.1 (1.1, 1.2)

0.001

 Major life events

≥median

27/250 (10.8)

<median

29/153 (19.0)

Per 1 point inc.

0.9 (0.8, 0.9)

0.002

 Ever used alcohol

No

17/221 (7.7)

1

Yes

37/163 (22.7)

3.5 (1.9, 6.5)

< 0.001

3.8 (1.8, 7.8)

< 0.001

 Ever cannabis

No

35/306 (11.4)

1

Yes

17/68 (25.0)

2.6 (1.3, 5)

0.004

 Ever other drugs

No

48/359 (13.4)

1

Yes

4/15 (26.7)

2.4 (0.7, 7.7)

0.156