Table 1 General characteristics and nutritional habits of the groups

Age (years)

57.9 ± 9.25

56.1 ± 0.23

0.425^a

Male/Female (n)

13/34

7/23

0.792^a

Radiographic OA severities (n, %)

KL = 2

27 (57.5)

-

KL = 3

16 (34.0)

-

KL = 4

4 (8.5)

-

BMI (kg/m²)

31.6 ± 5.92

30.9 ± 4.23

0.577^a

Overweight/obesity (n, %)

39 (83.0)

29 (96.7)

0.429^a

METS score (min/wk)

(Mean ± SD)

459.9 ± 946.82

330.4 ± 480.80

0.503^a

Number of main meals

2 (n, %)

26

55.3

17

56.6

0.900^a

3 (n, %)

21

44.7

13

44.4

Number of main meals

(Mean ± SD)

2.4 ± 0.50

2.4 ± 0.50

0.910^a

Number of snacks*

No snacks

15

32.0

-

-

0.004^a

1

13

27.0

12

40.0

≥ 2

18

41.0

18

60.0

Number of snacks (Mean ± SD)

1.1 ± 0.89

1.7 ± 0.65

0.002^b

Missing main meals

No

13

27.6

6

20.0

0.498^a

Yes

25

53.2

15

50.0

Sometimes

9

19.2

9

30.0