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Table 2 Individual and country-level factors of participating dental academics and their association with knowledge score

From: Knowledge of dental academics about the COVID-19 pandemic: a multi-country online survey

Factors

N (%)

Knowledge score

EM (SE)

B (95% CI)

P value

Individual-level factor

Sex

Male

911 (45.3)

73.01 (0.37)

−0.47 (−1.45, 0.51)

0.34

Female

1099 (54.7)

73.48 (0.34)

Reference

–

Age

25–35

706 (34.5)

72.85 (0.42)

−2.85 (−5.36, − 0.34)

0.03*

> 35–45

664 (32.5)

73.49 (0.43)

−2.21 (−4.72, 0.31)

0.09

> 45–55

354 (17.3)

72.87 (0.59)

−2.83 (−5.47, − 0.19)

0.04*

> 55–65

236 (11.5)

73.29 (0.73)

−2.41 (−5.17, 0.36)

0.09

> 65

85 (4.2)

75.70 (1.21)

Reference

–

Living arrangements

With parents

335 (16.4)

70.93 (0.61)

−1.99 (−3.84, −0.13)

0.04*

With partner/ spouse

1301 (63.6)

74.17 (0.31)

1.25 (−0.30, 2.79)

0.11

Shared accommodation

76 (3.7)

72.01 (1.27)

−0.91 (−3.78, 1.96)

0.53

Other

101 (4.9)

70.50 (1.19)

−2.42 (−5.01, 0.17)

0.07

Alone

232 (11.3)

72.92 (0.73)

Reference

–

Specialization

Specialist

1735 (84.8)

21.33 (0.08)

0.58 (0.20)

0.003*

No-specialist

310 (15.2)

20.74 (0.18)

Reference

–

Highest academic degree

PhD

897 (43.9)

73.95 (0.37)

1.88 (0.62, 3.15)

0.004*

MSc

703 (34.4)

73.06 (0.42)

1.00 (−0.33, 2.32)

0.14

BDS

445 (21.8)

72.07 (0.53)

Reference

–

Number of years in academia

< 5

530 (25.9)

73.25 (0.48)

−0.16 (−1.62, 1.30)

0.83

5–10

597 (29.2)

72.93 (0.46)

−0.48 (− 1.91, 0.94)

0.51

11–20

527 (25.8)

73.43 (0.49)

0.02 (−1.44, 1.48)

0.98

21+

391 (19.1)

73.41 (0.56)

Reference

–

Number of courses coordinated: mean (SD)

2.3 (1.7)

–

−0.21 (−0.48, 0.07)

0.15

Number of students per semester

None

131 (6.4)

70.20 (0.97)

Reference

–

1–49

506 (24.7)

73.96 (0.49)

1.09 (0.47, 1.71)*

0.001*

50–100

663 (32.4)

73.17 (0.43)

0.86 (0.25, 1.47)*

0.005*

101–200

370 (18.1)

73.30 (0.58)

0.90 (0.25, 1.54)*

0.006*

201+

375 (18.3)

73.36 (0.57)

0.92 (0.27, 1.56)*

0.005*

Number of patients seen daily

None

224 (11.0)

72.17 (0.74)

Reference

–

1–10

943 (46.1)

72.51 (0.36)

0.10 (−0.37, 0.57)

0.68

11–20

525 (25.7)

74.78 (0.48)

0.76 (0.25, 1.26)*

0.003*

21–30

156 (7.6)

72.61 (0.89)

0.13 (−0.53, 0.79)

0.70

31+

197 (9.6)

74.29 (0.79)

0.61 (−0.003, 1.23)

0.05

Training for public health emergencies

No

1064 (52)

73.43 (0.34)

0.41 (−0.56, 1.38)

0.40

Yes

981 (48)

73.02 (0.36)

Reference

–

Administrative position

No

972 (47.5)

73.34 (0.36)

0.20 (−0.77, 1.17)

0.68

Yes

1073 (52.5)

73.14 (0.34)

Reference

–

Country-level factor

Number of cases COVID-19 per million population: mean (SD)

972.9 (1123.1)

–

0.002 (0.002, 0.003)

< 0.0001*

  1. Abbreviations: EM Estimated means based on unadjusted multilevel linear models with country as a random effect, SE Standard error, B Regression coefficient, CI Confidence interval
  2. *: Statistically significant at P < 0.05