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Table 2 Comparison of patients diagnosed with schizophrenia and bipolar disorder on caregiver’s characteristics with t-tests or chi-square tests

From: Comparison of burden among family members of patients diagnosed with schizophrenia and bipolar disorder in a large acute psychiatric hospital in China

Variables SP (N=243) BD (N=200) Statistics p
Mean/N S.D./% Mean/N S.D./%
Age (years) 47.7 13.7 44.4 13.6 t=2.531 0.012*
Relationship to patient    x 2=1.716 0.633
 Parent 115 47.3% 104 52.0%   
 Child 27 11.1% 16 8.0%   
 Spouse 50 20.6% 38 19.0%   
 Other 51 21.0% 42 21.0%   
Live with patient in the past month 182 74.9% 149 74.5% x 2=0.009 0.999
Live with patient at any time during the past month 154 63.4% 121 60.5% x 2=0.385 0.535
Employed 131 53.9% 96 48.0% x 2=1.533 0.216
Marital status     x 2=4.518 0.104
 Unmarried 43 17.7% 22 11.0%   
 Married 181 74.6% 165 82.5%   
 Divorce/widow 19 7.8% 13 6.5%   
Contact with patient in the past month     x 2=13.638 0.003**
 Not at all 8 3.3% 14 7.0%   
 Once 11 4.5% 15 7.5%   
 Once (or more) per week 49 20.2% 60 30.0%   
 Once (or more) per day 175 72.0% 111 55.5%   
  1. See Table 1 for abbreviations
  2. Reported correlations are statistically significant at the *p < 0.05 level; or **p <0.01