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Table 3 Prevalence and predictors of self-harm

From: Self-harm in young people with perinatal HIV and HIV negative young people in England: cross sectional analysis

Variable Prevalence Univariable Multivariable
n/total (%) OR (95%CI) P value OR (95%CI) P value
A priori factors
 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
Other factors
 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   
  1. Only factors associated with self-harm at univariable (p < 0.15) or multivariable (p < 0.05) level are shown
  2. PHIV perinatally-acquired HIV, HIV- HIV negative