Table 4 Crude and adjusted longitudinal Linear regression analyzes of pain intensity. Rio Grande do Sul, Brazil. 2020

Crude

Model 1

β (95% CI)

p-value

β (95% CI)

p-value

Gender

 < 0.001

 < 0.001

  Male

Ref

Ref

  Female

0.49 (0.27; 0.71)

0.50 (0.28; 0.71)

Age group

 < 0.001

0.011

  18–30

Ref

Ref

  31–59

0.54 (0.35; 0.73)

0.43 (0.23; 0.64)

  60 + 

0.46 (0.07; 0.84)

0.13 (-0.27; 0.53)

Educational level

0.084

0.002

  High school or less

Ref

Ref

  University degree

-0.23 (-0.48; 0.03)

-0.24 (-0.50; 0.02)

  Postgraduate

-0.27 (-0.54; -0.001)

-0.43 (-0.70; -0.16)

BMI*

 < 0.001

 < 0.001

  Normal

Ref

Ref

  Overweight

0.26 (0.05; 0.47)

0.21 (-0.01; 0.42)

  Obese

0.66 (0.41; 0.91)

0.48 (0.22; 0.75)

Chronic disease

 < 0.001

 < 0.001

  No

Ref

Ref

  Yes

0.75 (0.57; 0.94)

0.62 (0.43; 0.82)

Commitment to social distancing

0.170

0.2161^a

0.526

0.4578^a

  Low

Ref

Ref

  Medium

0.30 (-0.08; 0.67)

0.23 (-0.13; 0.59)

  High

0.29 (-0.04; 0.61)

0.17 (-0.15; 0.49)

Model 2

Anxiety

 < 0.001

 < 0.001

  Sustained/Better

Ref

Ref

  Worse

0.27 (0.18; 0.38)

0.28 (0.19; 0.38)

Model 3

Depression

 < 0.001

 < 0.001

  Sustained/Better

Ref

Ref

  Worse

0.23 (0.13; 0.35)

0.22 (0.11; 0.33)

Model 4

Physical activity

 < 0.001^a

0.0002^a

  Sustained active

Ref

Ref

  Sustained inactive

0.82 (0.57; 1.07)

0.55 (0.29; 0.82)

  Become inactive

0.32 (0.04; 0.60)

0.23 (-0.05; 0.51)

  Become active

0.51 (0.11; 0.90)

0.26 (-0.15; 0.66)