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Table 1 Frequencies for categorical predictors at individual and school-level

From: Do schools differ in suicide risk? the influence of school and neighbourhood on attempted suicide, suicidal ideation and self-harm among secondary school pupils

Categorical variables N %
Outcome variables (n= 1698)
Any Attempted Suicide (age 15)
   No attempt 1595 93.9
   Attempt 103 6.1
Highest Suicide risk (age 15)
   No risk 1539 90.6
   Risk (attempt or ideation) 159 9.4
Any Deliberate Self Harm (DSH) (age 19) [737 missing]
   No DSH 915 93.2
   DSH 67 6.8
Individual level ( n = 1698)
Used Psychological service (age 11)
   No 1470 86.6
   Yes 49 2.9
   Miss 179 10.5
Bullied or tease (age 11)
   Never 904 53.2
   Less often 557 32.8
   Weekly 237 14.0
Gender
   Female 856 50.4
   Male 842 49.6
Social Class (age 11)
   I 103 6.1
   II 432 25.4
   IIIn 223 13.1
   IIIm 530 31.2
   IV 241 14.2
   V 90 5.3
   Missing 79 4.7
Religion (age 11)
   Protestant 642 37.8
   Catholic 529 31.2
   Other 115 6.8
   None 229 13.5
   Missing 183 10.8
Family (age 15)
   2-parent 1247 73.4
   1-parent 267 15.7
   Other (reconstituted or other family) 184 10.8
School-level ( n = 42) [1 missing]
School roll
   Q1 9 21.4
   Q2 9 21.4
   Q3 9 21.4
   Q4 7 16.7
   Q5 8 19.0
Denomination
   Non-denomination school 26 61.9
   Denomination school 16 38.1
Cross-level interaction ( n = 1698)
Religion & school denomination
   Matching religion & denomination 1643 96.8
   Mismatching religion & denomination 55 3.2
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