Table 5 Change in physical component summary score of SF36 (PCS) over three months' imprisonment: results of univariate analysis
| Â | Â | N | PCS on entry to prison Mean (sd) | PCS three months after imprisonment Mean (sd) | Mean change in PCS | p value |
|---|---|---|---|---|---|---|
Aged 30 years or more | Yes | 53 | 44.5 (12.5) | 44.8 (12.5) | 0.4 | 0.15 |
| Â | No | 39 | 44.1 (11.5) | 48.1 (11.7) | 4.0 | Â |
Self reported ethnicity: white | Yes | 54 | 44.4 (11.3) | 48.4 (10.2) | 3.9 | 0.044 |
| Â | No | 35 | 44.4 (13.4) | 43.0 (14.6) | -1.3 | Â |
Has children aged under 16 | Yes | 37 | 46.8 (10.9) | 50.2 (8.9) | 3.4 | 0.66 |
years | No | 50 | 42.9 (14.2) | 42.6 (13.7) | 0.4 | Â |
Left school aged 16 years or | Yes | 55 | 43.4 (12.2) | 47.6 (12.8) | 4.2 | 0.019 |
less | No | 34 | 45.8 (11.7) | 44.2 (11.1) | -1.5 | Â |
Unemployed before coming | Yes | 62 | 41.9 (12.5) | 45.9 (12.5) | 3.9 | 0.019 |
into prison | No | 28 | 50.4 (8.4) | 47.9 (11.5) | -2.5 | Â |
Has been in prison before | Yes | 40 | 40.5 (12.8) | 46.1 (13.5) | 5.6 | 0.004 |
| Â | No | 44 | 48.7 (9.5) | 46.4 (10.7) | -2.3 | Â |
Drinks more than 3 units each | Yes | 35 | 42.3 (12.9) | 45.8 (14.9) | 3.4 | 0.30 |
day | No | 57 | 45.8 (11.4) | 46.6 (10.5) | 0.9 | Â |
Injecting drug use in week | Yes | 9 | 35.9 (10.7) | 47.8 (16.0) | 11.9 | 0.008 |
prior to imprisonment | No | 82 | 45.4 (11.7) | 46.2 (11.8) | 0.8 | Â |
Longstanding illness before | Yes | 73 | 44.5 (11.5) | 46.4 (11.8) | 1.9 | 0.59 |
prison | No | 13 | 49.8 (9.5) | 50.3 (9.3) | 0.5 | Â |