From: The relationship between obesity and neurocognitive function in Chinese patients with schizophrenia
Characteristic | Underweight (n = 57) | Normal weight (n = 358) | Overweight (n = 319) | Obese (n = 162) | F/χ 2 | p value |
---|---|---|---|---|---|---|
Age (years) | 27.6 ± 8.5 | 27.1 ± 7.6 | 27.8 ± 6.6 | 27.8 ± 7.6 | 0.738 | 0.529 |
Male, N (%) | 22(38.6) | 162(45.3) | 203(63.6) | 106(65.4) | 36.683 | <0.001b |
Marital Status, N (%) | Â | Â | Â | Â | 3.931 | 0.686 |
 Married | 37(64.9) | 243(67.9) | 197(61.8) | 106(65.4) |  |  |
 Never married | 16(28.1) | 94(26.3) | 103(32.3) | 49(30.2) |  |  |
 Widowed, divorced, or separated | 4(7.0) | 21(5.9) | 19(6.0) | 7(4.3) |  |  |
Education (years) | 12.6 ± 2.8 | 12.5 ± 3.0 | 12.4 ± 2.9 | 12.9 ± 2.8 | 1.264 | 0.286 |
Occupation, N (%) | Â | Â | Â | Â | 6.301 | 0.098 |
 Office worker | 20(35.1) | 159(44.4) | 113(35.4) | 66(40.7) |  |  |
 Manual worker | 37(64.9) | 199(55.6) | 206(64.6) | 96(59.3) |  |  |
Smoking cigarettes, N (%) | 9(15.8) | 53(17.4) | 61(19.1) | 31(19.1) | 3.423 | 0.330 |
FBS (mg/dl) | 88.8 ± 12.7 | 89.1 ± 12.0 | 89.3 ± 11.1 | 92.0 ± 18.8 | 0.809 | 0.489 |
SBP (kPa) | 15.1 ± 1.0 | 14.9 ± 1.2 | 15.0 ± 1.2 | 15.2 ± 1.2 | 2.119 | 0.096 |
DBP (kPa) | 9.9 ± 1.0 | 9.8 ± 0.8 | 9.9 ± 0.8 | 10.0 ± 0.8 | 1.996 | 0.113 |
DSM-IV diagnosis, N (%) | Â | Â | Â | Â | 2.251 | 0.522 |
 Schizophrenia | 52(91.2) | 300(83.8) | 273(85.6) | 137(84.6) |  |  |
 Schizophreniform disorder | 5(8.8) | 58(16.2) | 46(14.4) | 25(15.4) |  |  |
Duration of illness (years) | 2.2 ± 1.8 | 2.0 ± 1.7 | 2.1 ± 1.8 | 2.4 ± 1.8 | 1.706 | 0.164 |
PANSS total score | 47.6 ± 16.5 | 44.8 ± 14.6 | 44.8 ± 14.6 | 46.0 ± 12.9 | 1.325 | 0.265 |
MADRS total score | 5.0 ± 5.5 | 5.2 ± 5.7 | 5.1 ± 5.5 | 5.3 ± 5.5 | 0.106 | 0.956 |
Current medication, N (%) | Â | Â | Â | Â | 7.063 | 0.070 |
 Typical antipsychotics | 21(31.6) | 109(30.4) | 71(22.3) | 39(24.1) |  |  |
 Atypical antipsychotics | 36(68.4) | 249(69.6) | 248(77.7) | 123(75.9) |  |  |
Mean daily doses of medication (clorpromazine quivalent, mg/d) | 315.7 ± 107.3 | 320.8 ± 104.4 | 322.0 ± 113.0 | 331.3 ± 115.5 | 0.447 | 0.719 |
Body mass index (kg/m2) | 16.5 ± 2.4 | 21.1 ± 1.9 | 24.9 ± 1.3 | 29.6 ± 2.4 | 2203.838 | <0.001 |