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Table 3 Factors Associated with PTSD in the General Population (Model 1) and among the Population Exposed to a Traumatic Event (Model 2): Multiple Modified Poisson Regression Models (COCONEL 2020, N = 1736)

From: Incidence of PTSD in the French population a month after the COVID-19 pandemic-related lockdown: evidence from a national longitudinal survey

Characteristics of the respondents

Model 1. PTSD among the general population

Model 2. PTSD among the exposed population

 

RR

Adjusted RR

95% CI

RR

Adjusted RR

95% CI

Gendera (ref: Women)

Men

0.85

1.06

0.85–1.32

1.03

1.04

0.85–1.27

Agea (ref: 35–64)

< 35

1.43*

1.24

0.99–1.55

1.31*

1.22

1.00–1.48

> 64

0.85

0.96

0.70–1.33

0.91

1.05

0.77–1.43

Media consumption of COVID-19-related information (ref: 1- < 4 hrs)

Low (< 1 hr)

0.53**

0.67

0.47–0.95

0.58**

0.67

0.49–0.93

High (= 4 hrs)

2.31***

1.53

1.18–1.97

1.88***

1.40

1.11–1.78

Anxiety (mild to severe) during the lockdown (ref: No)

Yes

11.20**

3.26

1.95–5.46

1.62

1.93

1.22–3.06

Diagnosed with COVID-19 (ref: No)

Yes

3.01***

1.43

1.13–1.80

2.15***

1.16

0.91–1.47

Anxiety (mild to severe) at follow-up (ref: No)

Yes

12.61***

3.02

1.77– 5.17

7.13***

2.62

1.61–4.27

Depression (mild to severe) at follow-up (ref: No)

Yes

10.74***

2.44

1.53–3.90

5.79***

1.94

1.27–2.97

Sleep problems at follow-up (ref: Yes, a few/No)

Yes, a lot

3.35***

1.51

1.22–1.88

2.26***

1.36

1.12–1.65

Persistent perceived stress (ref: No)

Yes

NIc

1.86***

1.13

0.93–1.38

Types of traumatic event (ref: Otherd)

Work situation

NI

2.12

2.19

1.14–4.21

Government announcements

NI

1.45

1.31

0.65–2.62

Travel

NI

1.86

2.17

1.08–4.36

Several of the items proposed

NI

3.62***

2.40

1.36–4.25

  1. a Population: Respondents to the COCONEL May and June surveys, N = 1736
  2. b Covariates included in the model were selected in an automatic selection process, Stepwise option (p threshold: 5%)
  3. c NI: Covariate not included in the model
  4. d Other included: conflict with a relative, relative infected by the coronavirus, death of a relative and other not classified
  5. *p < 0.5; ** p < 0.1; ***p < 0.001