Table 2 Age-standardized prevalence of obesity and central obesity by survey year and socioeconomic status in rural Yunnan Province, China

Sex

 Male

191(4.7)^a

1566(39.5)^e

403(11.1)^af

1907(51.3)^af

 Female

296(7.0)

2526(59.9)

504(13.2)^c

2506(65.0)^c

Age

 35–44 years

109(5.9)^a

849(45.9)^a

169(13.5)^af

645(51.4)^ac

 45–54 years

146(6.9)

1074(50.7)

274(14.4)^f

1103(57.9)^c

 55–64 years

122(6.1)

1039(51.6)

240(12.9)^c

1146(61.7)^c

 65–74 years

87(6.2)

747(53.2)

167(10.0)^c

993(59.5)^c

 ≥75 years

23(2.9)

383(47.9)

57(6.4)^c

526(59.4)^c

Ethnicity

 Han

215(6.8)

2435(48.7)^a

540(13.4)^af

2522(61.0)^ac

 Minority

272(5.4)^b

1657(52.5)

367(10.8)^c

1891(54.5)^d

Education

 Illiterate

132(5.3)

1309(52.4)^a

185(10.7)^f

1045(60.6)^bc

 Primary (grade 1–6) or higher

355(6.2)

2783(49.0)

722(12.7)^f

3368(57.2)^c

Annual household income

 Low

234(5.6)^af

2073(49.6)

388(10.2)^af

2068(53.6)^ac

 High

253(6.3)

2019(50.8)

519(14.1)^c

2345(62.4)^c

Access to medical services

 Poor

396(7.5)^b

2220(51.6)^b

643(12.6)^bf

3038(59.4)^af

 Good

91(3.9)

1872(48.8)

264(10.5)

1375(56.2)

SEP

 Low

107(4.9)^a

1049(47.9)^b

194(10.4)^ac

1225(55.7)^ad

 Medium

251(6.1)

1450(48.8)

443(11.5)^c

1852(56.8)^c

 High

129(6.9)

1593(50.4)

270(14.5)^c

1336(62.4)^c

All

487(5.9)

4092(50.2)

907(12.1)^c

4413(58.0)^c