Table 1

Socio-demographic characteristics of the women in samples I (study sample) and II (validation sample)

Sample I

Sample II

p-value


Variables

N = 1951

N = 976


n (%)

n (%)


Age (in years)

45-49

327 (16.8)

135 (13.8)

50-54

561 (28.8)

287 (29.4)

55-59

537 (27.5)

287 (29.4)

≥ 60

526 (27.0)

267 (27.4)

0.2135

Self-reported BMI, mean (SD)

26.6 (4.5)

26.5 (4.6)

0.5737

Self-reported weight

67.1 (11.8)

66.9 (11.8)

0.6656

Self-reported height

158.8 (6.0)

158.9 (6.1)

0.6725

Measured BMI, mean (SD)

27.8 (4.9)

27.8 (4.9)

1

Self-reported weight

68.5 (12.2)

68.4 (12.2)

0.8344

Self-reported height

156.9 (5.8)

157.0 (6.0)

0.6638

Overweight

Based on self-reported BMI

772 (39.6)

342 (35.0)

0.0194

Based on measured BMI

831 (42.6)

412 (42.2)

0.8755

Obesity

Based on self-reported BMI

387 (19.8)

206 (21.1)

0.4487

Based on measured BMI

550 (28.2)

270 (27.7)

0.7983

Screening centre

Corunna (La Coruña )

309 (15.8)

168 (17.2)

Barcelona

255 (13.1)

129 (13.2)

Burgos

268 (13.7)

116 (11.9)

Palma de Mallorca

336 (17.2)

174 (17.8)

Pamplona

237 (12.2)

114 (11.7)

Zaragoza

239 (12.3)

120 (12.3)

Valencia

307 (15.7)

155 (15.9)

0.8418

Town size

< 200,000

867 (44.4)

430 (44.1)

200,000-300,000

517 (26.5)

272 (27.9)

> 300,000

567 (29.1)

274 (28.1)

0.7064

Marital status

Single

111 (5.7)

63 (6.5)

Married/stable couple

1541 (79.9)

779 (79.8)

Separated/divorced

167 (8.6)

75 (7.7)

Widow

132 (6.8)

58 (5.9)

0.5766

Menopause

Pre-menopausal

436 (22.4)

204 (20.9)

Post-menopausal

1515 (77.7)

772 (79.1)

0.3982

Educational level

Up to junior school-leaving certificate

1347 (69.1)

671 (68.8)

Senior school-leaving certificate

198 (10.2)

93 (9.5)

Vocational training

185 (9.5)

96 (9.9)

University

219 (11.2)

115 (11.8)

0.9141

Socio-economic level

Very low/low social class

469 (24.0)

223 (22.9)

Middle social class

1383 (70.9)

689 (70.6)

High/very high social class

92 (4.7)

60 (6.2)

0.2268


Isidoro et al. BMC Public Health 2011 11:960   doi:10.1186/1471-2458-11-960

Open Data