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. 2021 Sep 2;11:17595. doi: 10.1038/s41598-021-96852-0

Table 2.

Linear mixed models in adults estimating the effect of time after Covid-19 onset on mental health indices.

Predictors CESD (log) STAI BSFC GHQ Distress
Estimates (SE) CI (95%) p Estimates (SE) CI (95%) p Estimates (SE) CI (95%) p Estimates (SE) CI (95%) p Estimates (SE) CI (95%) p
Intercept 2.05 (0.17) 1.72–2.37 42.58 (1.41) 39.82–45.33 10.07 (0.97) 8.16–11.98 5.49 (0.43) 4.65–6.34 4.22 (0.12) 3.99–4.46
Duration (weeks) − 0.04 (0.02) − 0.07 to − 0.01 0.012 − 0.61 (0.16) − 0.93 to − 0.29 0.001 − 0.26 (0.08) − 0.42 to − 0.09 0.003 − 0.06 (0.04) − 0.13 to 0.02 0.162 − 0.02 (0.02) − 0.05 to 0.01 0.218
ICC 0.78 0.59 0.56 0.59 0.67
N 215/43 258/43 132/22 258/43 215/43

CESD center of epidemiologic studies depression scales, STAI state and trait anxiety inventory (state anxiety sum scores), BSFC-s burden scale for family caregivers (sum score), GHQ General Health Questionnaire (sum score), Distress modified Kessler psychological distress scale (mean), SE standard error, CI confidence interval, Duration (weeks) fixed effect, weeks passed since restrictions have been introduced, ICC intraclass correlation coefficient, N number of observations)/(number of participants), p values have been estimated using Satterthwaite approximation, significant effects in bold.