Dependent variables

Age Categories

Age Categories: MD (p - value)

20-39 years

40-59 years

60-79 years

≥ 80 years

Pain intensity

20-39 years

1

-3.68 (0.01)^*

-3.23 (0.04)^*

-1.50 (1.00)

40-59 years

3.68 (0.01)^*

1

0.44 (1.000)

2.18 (0.49)

60-79 years

3.23 (0.04)^*

-0.44 (1.00)

1

1.73 (0.98)

≥ 80 years

1.50 (1.00)

-2.18 (0.49)

-1.73 (0.98)

1

Physical function

20-39 years

1

10.15 (0.81)

20.85 (0.02)^*

21.69 (0.12)

40-59 years

-10.15 (0.81)

1

10.70 (0.03)^*

11.54 (0.67)

60-79 years

-20.85 (0.02)^*

-10.70 (0.03)^*

1

0.84 (1.00)

≥ 80 years

-21.69 (0.12)

-11.54 (0.67)

-0.84 (1.00)

1