Table 2 GEE models of demographic and time variables in relation to mental health measures

Demographic variables

 Age

-0.03 (0.002)

(-.04, -.03)

 < .001

-0.008 (0.001)

(-0.009, -0.006)

 < .001

 Sex

  Male

Referent

-

-

Referent

-

-

  Female

0.8 (.04)

(0.8, 0.9)

 < .001

0.2 (0.01)

(0.1, 0.2)

 < .001

 Sexual orientation

  Heterosexual

Referent

-

-

Referent

-

-

  LGB

0.6 (0.2)

(0.3, 0.9)

 < .001

0.3 (0.05)

(0.2, 0.4)

 < .001

 Income

   < $20 K

Referent

-

-

Referent

-

-

  $20–49,999

-1.8 (0.09)

(-1.9, -1.6)

 < .001

-0.5 (0.03)

(-0.6, -0.5)

 < .001

  $50–99,999

-2.7 (0.08)

(-2.9, -2.6)

 < .001

-0.8 (0.03)

(-0.9, -0.8)

 < .001

  $100–149,999

-3.2 (0.09)

(-3.4, -3.1)

 < .001

-1.03 (0.03)

(-1.2, -1.0)

 < .001

   ≥ $150 K

-3.7 (0.09)

(-3.8, -3.5)

 < .001

-1.1 (0.03)

(-1.2, -1.1)

 < .001

 Education

   < Secondary school

Referent

-

-

Referent

-

-

  Secondary school

-0.4 (0.09)

(-0.6, -0.3)

 < .001

-0.1 (0.03)

(-0.2, -0.03)

.003

  Some post-secondary

-0.2 (0.1)

(-0.3, -0.04)

0.124

0.02 (0.04)

(-0.05, 0.09)

.575

  Post-secondary

-0.5 (0.08)

(-0.6, -0.3)

 < .001

0.004 (0.03)

(-0.05, 0.06)

.876

  Race

  Non-white

Referent

-

-

Referent

-

-

  White

-0.2 (0.09)

(-0.4, -0.07)

.006

-0.1 (0.03)

(-0.2. -0.05)

 < .001

Time period

 Baseline

Referent

-

-

-

-

-

 Follow-up 1

-0.06 (0.02)

(-0.1, -0.02)

.008

Referent

-

-

 COVID-19 Baseline

1.0 (0.03)

(0.9, 1.0)

 < .001

-

-

-

 COVID-19 Exit

1.2 (0.03)

(1.1, 1.2)

 < .001

0.5 (0.009)

(0.5, 0.5)

 < .001

Interaction

 Time x LGB (Overall)

χ² = 6.58, p = .086

χ² = 0.48, p = .490

Model Fit

χ² = 6112.41, p < .001

χ² = 4983.02, p < .001