Skip to main content

Table 1 Characteristics by BMI group

From: Body mass index and quality of life among outpatients with schizophrenia in Japan

  

Body mass index

 
 

Total

Healthy weight

Overweight

Obesity

ANOVA

  

BMI<25

25BMI<30

BMI30

p value

n

225

123

65

37

 

Age

42.5±12.8

42.0±13.6

44.6±11.4

40.4±12.2

0.234

Gender

Male 106

Male 54

Male 36

Male 16

0.284

Female 119

Female 69

Female 29

Female 21

Height

163.7±8.9

163.3±8.8

165.0±9.1

162.9±9.4

0.383

Weight

68.0±15.7

58.2±9.2

73.9±9.3

90.5±13.5

<0.001 a

Clinical Global Impression Severity scale

3.1±1.0

3.1±1.0

3.2±1.0

3.2±0.9

0.521

Drug Attitude Inventory-10

6.9±2.3

6.9±2.2

6.7±2.3

7.3±2.4

0.496

Short Form Health Survey Version 2

     

  Physical functioning

44.3±12.9

46.1±11.0

44.1±13.8

38.7±15.8

<0.01 b

  Role physical functioning

42.0±13.5

42.5±13.9

42.6±12.2

39.4±14.4

0.431

  Body pain

49.2±11.1

48.6±10.8

50.8±11.5

48.5±11.5

0.384

  General health

45.6±10.5

45.5±10.0

47.6±10.2

42.0±11.7

<0.05 c

  Vitality

45.2±11.4

44.7±11.8

47.3±11.1

43.0±10.6

0.155

  Social functioning

42.0±13.4

40.8±14.0

44.9±11.6

40.6±14.2

0.112

  Role emotional functioning

40.2±14.2

39.5±14.3

43.8±12.0

36.4±16.4

<0.05 c

  Mental health

43.7±11.3

43.0±11.1

46.3±11.2

41.3±11.3

0.057

  Physical composite score

42.2±13.0

43.1±12.5

43.0±12.1

38.1±15.6

0.108

  Mental composite score

46.0±11.0

44.8±11.0

48.9±10.7

44.7±10.4

<0.05 d

  1. Data are presented as the means ± SD.
  2. a Indicates a significant difference (P < 0.05) between the healthy weight group versus the overweight group, the healthy weight group versus the obesity group and the overweight group versus the obesity group.
  3. b Indicates a significant difference (P < 0.05) between the healthy weight group and the obesity group.
  4. c Indicates a significant difference (P < 0.05) between the overweight group and the obesity group.
  5. d Indicates a significant difference (P < 0.05) between the healthy weight group and the overweight group.
  6. ANOVA = analysis of variance.