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Table 4 Post-matched health outcome differences for schizophrenia caregivers vs. other caregivers

From: Assessing health status in informal schizophrenia caregivers compared with health status in non-caregivers and caregivers of other conditions

  Total Caregiver for adult relative with condition other than schizophrenia Schizophrenia caregiver for adult relative P-value
(N = 1194) (N = 796) (N = 398)
PHQ-9 scalea     0.003
 Minimal (%) 302 (25.29 %) 223 (28.02 %) 79 (19.85 %)  
 Mild (%) 223 (18.68 %) 139 (17.46 %) 84 (21.11 %)  
 Moderate (%) 151 (12.65 %) 104 (13.07 %) 47 (11.81 %)  
 Moderately Severe (%) 74 (6.20 %) 48 (6.03 %) 26 (6.53 %)  
 Severe (%) 52 (4.36 %) 26 (3.27 %) 26 (6.53 %)  
Currently using a prescription medication for depression (%) 161 (13.48 %) 91 (11.43 %) 70 (17.59 %) 0.003
Comorbidities experienced in the past 12 months     
 Narcolepsy (%) 11 (0.92 %) 5 (0.63 %) 6 (1.51 %) 0.134
 Insomnia (%) 336 (28.14 %) 207 (26.01 %) 129 (32.41 %) 0.020
 Sleep difficulties (%) 463 (38.78 %) 293 (36.81 %) 170 (42.71 %) 0.048
 Pain (%) 409 (34.25 %) 251 (31.53 %) 158 (39.70 %) 0.005
 Anxiety (%) 388 (32.50 %) 237 (29.77 %) 151 (37.94 %) 0.005
 Depression (%) 312 (26.13 %) 195 (24.50 %) 117 (29.40 %) 0.069
 Heartburn (%) 348 (29.15 %) 222 (27.89 %) 126 (31.66 %) 0.177
 Migraines (%) 331 (27.72 %) 225 (28.27 %) 106 (26.63 %) 0.552
 Headaches (%) 557 (46.65 %) 366 (45.98 %) 191 (47.99 %) 0.512
Mental component summary     <0.001
 Mean ± SD 41.85 ± 10.72 42.65 ± 10.62 40.25 ± 10.75  
Physical component summary     0.315
 Mean ± SD 47.19 ± 10.10 47.40 ± 10.05 46.77 ± 10.20  
Health utility     <0.001
 Mean ± SD 0.66 ± 0.13 0.67 ± 0.13 0.64 ± 0.12  
  1. aOnly available for 2011 and 2013 NHWS respondents (540 other caregivers, 262 schizophrenia caregivers); Patient Health Questionnaire-9 = PHQ-9