Osteoarthritis prevalence and modifiable factors: a population study

BMC Public Health

Table 1 Demographic characteristics of the overall study sample (N = 4733)

	N(%) or mean ± SD
Sex
Male	1542 (32.6)
Female	3189 (67.4)
Age, years	52.5 ± 16.5
Education
- No university	2095 (44.5)
- University	2611 (55.2)
Sports participation ^a
- Weekly leisure activity score ≥24	651 (38.3)
- Weekly leisure activity score ≤23	1049 (61.7)
Daily activity
- Sit/not walk	1099 (23.6)
- Stand/walk	1988 (42.7)
- Light work load	1304 (28.0)
- Heavy work loads	270 (5.8)
Level of combined household income (before tax), above cut-off point^b	3700 (86.5)
Knee osteoarthritis self-reported	482 (10.5)
Hip osteoarthritis self-reported	395 (8.5)
Either knee or hip osteoarthritis self-reported	679 (14.8)
BMI self-reported, (kg/m²)	26.81 ± 5.51
BMI measured, (kg/m²)^a	28.28 ± 5.98
Overweight measured^a	630 (34.8)
Obese measured^a	591 (32.7)

Data are based on non-weighted estimates
^aThese measured variables were obtained during clinic interviews that were attended by 1808 participants
^bThe cut-off point for low-income is Low Income Cut-Offs (LICO) were calculated for each participant based on family size and belonging to the particular community [53]

ISSN: 1471-2458