Table 1. Baseline characteristics of fallers versus non-fallers, and recurrent fallers versus non-recurrent fallers (weighted).

	Fallers (n=555)	Non-fallers (n=1446)	P-value	Recurrent fallers (n=195)	Non-recurrent fallers (n=1801)	P-value	Nr of missings per variable in total population (n=2535)
Age ^a	74.9 (6.2)	73.9 (5.9)	0.002	76.0 (6.0)	74.0 (6.0)	<0.001	0
Sex (female) ^b	63.6%	54.0%	<0.001	65.6%	55.7%	0.008	0
Educational level ^b			0.628			0.589	0
- Elementary school completed or lower	41.4%	42.6%		44.1%	42.1%
- Vocational education or general secondary education or higher	58.6%	57.4%		55.9%	57.9%
Body mass index ^a	27.8 (4.8)	27.6 (4.9)	0.507	28.1 (4.6)	27.6 (4.6)	0.131	65
Smoking ^b			0.004			0.013	11
- Never	53.8%	47.4%		57.3%	48.3%
- Current	4.7%	8.3%		3.1%	7.8%
- Former	41.5%	44.3%		39.6%	43.9%
Alcohol use (yes) ^b	70.0%	73.7%	0.098	64.1%	73.5%	0.005	18
Nr. of chronic diseases ^b			0.039			0.020	11
- 0	32.5%	38.6%		27.8%	37.8%
- 1	38.7%	34.5%		39.2%	35.2%
- 2 or more	28.9%	26.9%		33.0%	33.0%
Physical performance ^{a, c}	8.1 (2.9)	8.5 (2.5)	0.002	7.6 (3.1)	8.5 (2.6)	<0.001	107
Physical activity (min/day) ^d	151.4 (2.1)	147.2 (2.3)	0.487	148.7 (2.3)	148.2 (2.2)	0.960	49
Analgesics use ^b	22.3%	17.8%	0.020	29.7%	17.9%	<0.001	1
Opioids use ^b	6.5%	3.0%	<0.001	9.2%	3.4%	<0.001	1

OA=osteoarthritis

Differences in mean were tested using independent Student’s t-test

Differences in frequencies were tested using Pearson Chi-square Test

Total score ranges from 0-12 with 12 indicating good performance

LN-transformed data were used in the Student’s t-test; in the Table these data were back transformed