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Table 1 General characteristics of the study sample

From: Prevalence of metabolic syndrome among patients with Schizophrenia in Palestine

Variable N(%) or Mean ± SD P value d (Cohen’s value) and/or OR (95CI) Chi- Square value (X 2) Or t-test value
Total Male Female
250 (100%) 182 (73.8%) 68 (27.2%)
Age (years) 41.9 ± 11.8 42.5 ± 11.5 40.3 ± 12.4 0.2a  
d = 0.18 −1.3
Education     0.4b  
≤ School education 213 (85.2%) 153 (84.1) 60 (88.2) 1.4 (0.62 – 3.3)  
College education 37 (14.8%) 29 (15.9) 8 (11.8) d = 0.18 0.68
Marital Status     <0.01 b  
Married 138 (55.2%) 88 (48.4) 50 (73.5) 3 (1.6 – 5.5)  
Single/Divorced 112 (44.8%) 94 (51.6) 18 (26.5) d = 0.61 12.7
Smoker     < 0.01 b  
Yes 153 (61.2%) 55 (80.9) 42 (23.1) 14.1 (7 – 28.3)  
No 97 (38.8%) 13 (19.1) 140 (76.9) d = 1.46 69.66
Occupation     0.1 b  
Not working 219 (87.6%) 156 (85.7) 63 (92.6) 2.1 (0.8 – 5.7)  
Working 31 (12.4%) 26 (14.3) 5 (7.4) d = 0.41 2.2
Duration of psychiatric illness 15.8 ± 9.3 16.2 ± 9.0 14.8 ± 9.9 0.3 a  
d = 0.15 −1.01
Waist Circumference     < 0.01 b  
Normal 137 (54.4) 124 (68.1%) 12 (17.6%) 0.1 (0.05 – 0.2)  
Above Normal 114 (45.6%) 58 (31.9%) 56 (82.4%) d = −1.27 50.86
Systolic Blood Pressure 124.2 ±14.4 125.1 ± 14.1 121.8 ± 15 0.1 a −1.6
d = 0.23
Diastolic Blood Pressure 75.5 ± 10.8 76.4 ± 10.2 73 ± 12.1 0.04 a −2.0
d = 0.3
Triglycerides 193.2 ± 180.2 187.3 ± 125.4 208.8 ± 279 0.5 a 0.6
d = −0.1
HDL-C 44.9 ± 10.9 43.8 ± 11 46.4 ± 10.6 0.1 a 1.7
d = −0.24
FPG 99.5 ± 47.5 96.6 ± 45.3 107.3 ± 52.6 0.1 a 1.5
d = −0.2
CPZeq 436.9 ± 275.6 455.6 ± 283.7 386.8 ± 247.7 0.07 a −1.9
d = 0.3
Olanzapine/Clozapine     0.9 b  
Yes 30 (12) 22 (12.1) 8 (11.8) 1.2 (0.6 – 2.3) 0.18
No 220 (88) 160 (87.9) 60 (88.2) d = 0.1
Drug regimen     0.1 b  
Monotherapy 124 (49.6) 85 (46.7) 39 (57.4) 1.5 (0.9 – 2.7) 2.2
Combination therapy 126 (50.4) 97 (53.3) 29 (42.6) d = 0.22  
  1. Abbreviations: SD, Standard deviation; OR, Odds ratio; CI, confidence interval; HDL-C, High-density lipoprotein cholesterol; FPG, Fasting plasma glucose; CPZeq, Chlorpromazine equivalents.
  2. a Statistical significance of differences estimated with the independent Student’s t test.
  3. b Statistical significance of differences estimated with the Chi square test.