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Table 3 Change in mental component summary score of SF36 (MCS) over three months' imprisonment: results of univariate analysis.

From: Changes in health-related quality of life following imprisonment in 92 women in England: a three month follow-up study

   N MCS on entry to prison
Mean (sd)
MCS three months after imprisonment
Mean (sd)
Mean change in MCS p value
Aged 30 years or more Yes 53 38.1 (15.7) 41.5 (14.1) 3.4 0.34
  No 39 31.9 (12.5) 38.1 (13.9) 6.2  
Self reported ethnicity: white Yes 54 34.8 (14.5) 40.7 (14.3) 5.9 0.40
  No 35 35.5 (15.2) 38.8 (13.9) 3.3  
Has children aged under 16 years Yes 37 36.7 (16.2) 40.5 (15.6) 3.8 0.55
  No 50 38.0 (15.0) 42.6 (13.7) 4.6  
Left school aged 16 years or less Yes 55 32.9 (14.7) 39.6 (14.1) 6.6 0.11
  No 34 39.2 (14.1) 40.9 (14.1) 1.6  
Unemployed before coming into prison Yes 62 33.4 (15.1) 39.9 (14.3) 6.5 0.052
  No 28 39.6 (13.2) 39.9 (14.1) 0.3  
Has been in prison before Yes 40 33.8 (15.5) 41.2 (13.5) 7.4 0.047
  No 44 37.5 (13.6) 38.9 (14.7) 1.4  
Drinks more than 3 units each day Yes 35 31.9 (15.0) 39.3 (11.3) 7.3 0.23
  No 57 37.5 (14.4) 40.7 (15.7) 3.2  
Injecting drug use in week prior to imprisonment Yes 9 23.7 (11.5) 40.1 (16.9) 16.5 0.007
  No 82 36.6 (14.5) 39.9 (13.9) 3.4  
Longstanding illness before prison Yes 73 32.7 (13.5) 38.0 (14.0) 5.4 0.062
  No 13 51.9 (9.5) 49.5 (11.0) -2.4