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Table 1 Distribution of demographic and socioeconomic characteristics of the study population

From: Association between social group participation and perceived health among elderly inhabitants of a previously methylmercury-polluted area

 

Total

Fair or poor health

Good or excellent

p a

N = 408

N = 117

N = 291

Age, years, n (%)

 65–69

146 (35.8)

42 (35.9)

104 (35.7)

0.57

 70–74

153 (37.5)

40 (34.2)

113 (38.8)

 75 and above

109 (26.7)

35 (29.9)

74 (25.5)

Sex, n (%)

 Male

193 (47.3)

55 (47.0)

138 (47.4)

0.94

 Female

215 (52.7)

62 (53.0)

153 (52.6)

Living arrangement, n (%)

 Living alone

56 (14.1)

22 (19.2)

34 (12.1)

0.15

 Living with a spouse only

179 (45.2)

46 (40.4)

133 (47.2)

 Living with a spouse and family members

161 (40.7)

46 (40.4)

115 (40.7)

Educational level, n (%)

 Less than high school

187 (47.7)

48 (42.9)

139 (49.6)

0.33

 High school

164 (41.8)

49 (43.8)

115 (41.1)

 More than high school

41 (10.5)

15 (13.3)

26 (9.3)

Annual income per capita, yes, n (%)

 <750,000

74 (19.8)

22 (21.2)

52 (19.3)

0.90

 750,000–910,000

113 (30.3)

32 (30.8)

81 (30.1)

 920,000–1,490,000

70 (18.8)

17 (16.3)

53 (19.7)

 >1,500,000

116 (31.1)

33 (31.7)

83 (30.9)

Chronic disease, yes, n (%)

243 (61.4)

90 (37.0)

153 (63.0)

<0.001

ADL scores, mean (SD)

14.4 (3.4)

15.9 (5.1)

13.7 (2.2)

<0.001

Group membershipsb, often and always, n (%)

 Community related group

198 (48.5)

48 (24.2)

150 (75.8)

0.06

 Business-related group

73 (17.9)

19 (26.0)

54 (74.0)

0.67

 Hobby- and volunteer-related group

126 (30.9)

24 (19.0)

102 (81.0)

<0.01

 Belief-related group

119 (29.2)

28 (23.5)

91 (76.5)

0.15

  1. All data are presented as number (%) or mean (SD)
  2. Number for respective group may not sum to total due to missing values
  3. aCategorical variables were analyzed by Fisher’s exact tests, and continuous variables were analyzed by t tests
  4. bMultiple answer