Skip to main content

Table 1 Baseline characteristics of the participants by sex

From: Sex differences in the association between green tea consumption and hypertension in elderly Chinese adults

Characteristics

Women

Men

Green tea daily

(n = 298)

Green tea never

(n = 5343)

P-value

Green tea daily

(n = 624)

Green tea never

(n = 3012)

P-value

Age, mean (SD), y

84.0 (12.0)

87.7 (12.1)

<  0.001

80.9 (10.6)

84.8 (11.1)

<  0.001

Urban residence, n (%)

116 (38.9)

2107 (39.4)

0.861

279 (44.7)

812 (27.0)

<  0.001

Area, n (%)

 Northern China

48 (16.1)

1587 (29.7)

<  0.001

149 (23.9)

893 (29.6)

0.004

 Southern China

250 (83.9)

3756 (70.3)

475 (76.1)

2119 (70.4)

Married, n (%)

114 (38.3)

1447 (27.1)

<  0.001

432 (69.2)

1633 (54.2)

<  0.001

Physical labor regularly, n (%)

197 (66.1)

3910 (73.2)

0.008

404 (64.7)

2265 (75.2)

<  0.001

Having pension, n (%)

103 (34.6)

842 (15.8)

<  0.001

288 (46.2)

787 (50.7)

0.040

Smoking status, n (%)

 Never smoker

270 (90.6)

4969 (93.0)

0.205

187 (30.0)

1526 (50.7)

<  0.001

 Former smoker

13 (4.4)

201 (3.8)

198 (31.7)

770 (25.6)

 Current smoker

15 (5.0)

173 (3.2)

239 (38.3)

716 (23.8)

Current drinking, n (%)

32 (10.7)

264 (4.9)

<  0.001

209 (33.5)

629 (20.9)

<  0.001

Sleeping time, mean (SD), h

7.2 (2.4)

7.4 (2.5)

0.170

7.5 (2.0)

7.7 (2.3)

0.076

Anxiety score, n (%)

 0–4

263 (88.3)

4657 (87.2)

0.582

579 (92.8)

2730 (90.6)

0.087

  ≥ 5

35 (11.7)

686 (12.8)

45 (7.2)

282 (9.4)

History of comorbidities, n (%)

 Hypertension

141 (47.3)

2343 (43.9)

0.241

322 (51.6)

1197 (39.7)

<  0.001

 Diabetes

44 (14.8)

497 (9.3)

0.002

88 (14.1)

249 (8.3)

<  0.001

 Dyslipidemia

34 (11.4)

244 (4.6)

<  0.001

49 (7.9)

122 (4.1)

<  0.001

 Heart diseases

75 (25.2)

938 (17.6)

0.001

116 (18.6)

456 (15.1)

0.031

 Stroke or CVD

40 (13.4)

530 (9.9)

0.051

78 (12.5)

394 (13.1)

0.694

Eating fresh vegetables daily, n (%)

200 (67.1)

3357 (62.8)

0.136

459 (73.6)

1882 (62.5)

<  0.001

Eating salt-preserved vegetables daily, n (%)

47 (15.8)

722 (13.5)

0.269

76 (12.2)

329 (10.9)

0.364

Eating fresh fruits daily, n (%)

74 (24.8)

1157 (21.7)

0.196

168 (26.9)

614 (20.4)

<  0.001