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Table 2 General characteristics of participants with and without constipation

From: Empirically derived dietary patterns and constipation among a middle-aged population from China, 2016–2018

Variables

Participants with constipation (n = 301)

Participants without constipation (n = 1966)

Significance*

Demographic

 Age (years)

50.37 ± 5.16

52.65 ± 5.60

P < 0.001

Gender

 Male

139(46.2)

993(50.5)

χ2 = 1.957

P = 0.162

 Female

162(53.8)

973(49.5)

Smoking status (%)

 Never

173(57.5)

1217(61.9)

χ2 = 2.172

P = 0.338

 Former

31(10.3)

185(9.4)

 Current

97(32.2)

564(28.7)

 

Education (%)

  < High school

24(8.0)

187(9.5)

χ2 = 6.240

P < 0.05

 High school

217(72.1)

1274(64.8)

  > High school

60(19.9)

505(25.7)

 

Monthly income per person(%)

  ≤ 2500 (RMB)

202(34.5)

582(29.6)

χ2 = 60.351

P < 0.001

 2500–4000 (RMB)

218(50.2)

987(50.2)

  > 4000 (RMB)

33(15.3)

397(20.2)

 

Physical activity(%)

 Light

194(64.5)

1339(68.1)

χ2 = 3.767

P = 0.152

 Moderate

76(25.2)

401(20.4)

 Heavy

31(10.3)

226(11.5)

 

 Total energy intake (Kcal/d)

1908.2 ± 186.3

1783.1 ± 155.4

P < 0.05

Obese (%)

 Yes

49(16.3)

265(13.5)

χ2 = 1.715

P = 0.190

 No

252(83.7)

1701(86.5)

Hypertension(%)

 Yes

66(21.9)

322(16.4)

χ2 = 5.665

P = 0.017

 No

235(78.1)

1644(83.6)

  1. Categorical variables are presented as sum and percentages, and continuous variables are presented as Mean ± SD. Abbreviation: RMB: Ren Min Bi.*P values for continuous variables (independent-samples T or Mann-Whitney test) and for Categorical variables (chi-square test)