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Table 1 Demographic characteristics of study participants

From: Obesity and increased burden of hip and knee joint disease in Australia: Results from a national survey

Characteristic

Overall sample (n=1157)*

Age (years), median (IQR)

57 (48–69)

Female, n (%)

656 (57)

Body Mass index (BMI) (kg/m2), n (%)

 

 Underweight / normal weight (BMI ≤24.99 kg/m2)

430 (37)

 Overweight (BMI 25–29.99 kg/m2)

383 (33)

 Obese (BMI ≥30 kg/m2)

248 (21)

Married or living with partner, n (%)

924 (80)

Living in metropolitan area, n (%)

775 (67)

SEIFA† decile, n (%)

 

 First (greatest socioeconomic disadvantage)

56 (5)

 Tenth (greatest socioeconomic advantage)

200 (17)

Highest level of education completed, n (%)

 

 Primary school or less

54 (5)

 Year 7-10

263 (23)

 Year 11-12

213 (18)

 Trade / technical education

260 (23)

 University

356 (31)

Australian-born, n (%)

894 (77)

English as main language spoken at home, n (%)

1104 (95)

Paid work, n (%)

 

 Paid employment

651 (56)

 Retired

426 (37)

 Unemployed

58 (5)

 Stopped work due to hip or knee arthritis / OA

7 (<1)

Unpaid work, n (%)

 

 Currently does unpaid work

335 (29)

 Unable to do unpaid work due to hip or knee arthritis / OA

33 (3)

 Does not do unpaid work for other reasons

713 (62)

  1. *Total numbers for characteristics may not equal 1157 due to missing responses.
  2. †Australian Socio-Economic Indexes for Areas 2006 Index of Relative Socio-Economic Advantage and Disadvantage.