Table 3 Factors related to PTSD in Tunisian students evaluation element

Age (mean ± SD)

16.66 ± 0.9

16.64 ± 1.03

0.8

Gender ( N , %)

 Male

28 (30.5%)

64 (69.5%)

0.1

Ref

Ref

 Female

94 (40.2%)

140 (59.8%)

1.5 (0.9–2.5)

1.4 (0.8–2.6)

Socio-economic level ( N , %)

 High

63 (37%)

107 (63%)

0.4

Ref

 Middle to low

59 (37.8%)

97 (62.2%)

1.1 (0.7–1.8)

Family situation ( N , %)

 Parents united

116 (38.4%)

186 (61.6%)

0.1

1.8 (0.7–4.8)

2.6 (0.9–7.7)

 Monoparental family

6 (25%)

18 (75%)

Ref

Ref

Family conflicts ( N , %)

 Yes

20 (55.6%)

16 (44.4%)

0.01

2.3 (1.1–4.6)

3.1 (1.4–6.9)*

 No

102 (35.2%)

188 (64.8%)

Ref

Ref

Leisure activities ( N , %)

 Yes

105 (36.7%)

181 (63.3%)

0.4

Ref

 No

17 (42.5%)

23 (57.5%)

1.2 (0.6–2.4)

Information’s about the COVID-19 pandemic (N , %)

 Sufficient

31 (28,4%)

78 (71.6%)

0.02

Ref

Ref

 Insufficient

91 (41.9%)

126 (58.1%)

1.8 (1.1–2.9)

2.5 (1.4–4.6)*

Personal history of COVID-19 infection ( N , %)

 Yes

11 (84,6%)

2 (15,5%)

0.001

10 (2.1–45.9)

9.3 (1.7–49.7)**

 No

111 (35,5%)

202 (64,5%)

Ref

Ref

Familial history of COVID-19 infection ( N , %)

 Yes

50 (56.2%)

39 (43.8%)

0.000

2.9 (1.7–4.8)

2.4 (1.3–4.2)**

 No

72 (30.4%)

165 (69.6%)

Ref

Ref

A relative death because of COVID-19 infection ( N , %)

 Yes

47 (64.4%)

26 (35.6%)

0.000

4.2 (2.4–7.4)

3.3 (1.8–5.9)**

 No

75 (29.7%)

178 (70.3%)

Ref

Ref