Table 3 Sociodemographic and clinical factors associated with dengue fever occurred in the Central Region, Burkina Faso

Age

1.00 (0.98- 1.02)

0.864

1.00 (0.97–1.02)

0.756

Sex

 Female

1

1

 Male

1.14 (0.64- 2.02)

0.653

1.19 (0.65–2.19)

0.577

Education level

 No education

1

-

-

 Primary level

1.49 (0.59–3.73)

0.397

-

-

 Secondary level

0.96 (0.44–2.11)

0.915

-

-

 Tertiary level

1.30 (0.54–3.13)

0.552

-

-

Marital status

 Single

1

-

-

 Married

0.91 (0.51–1.61)

0.735

-

-

 Widowed/Divorced

0.63 (0.08–4.88)

0.656

-

-

Main occupation

 Student

1

-

-

 Trader

0.80 (0.32–1.96)

0.624

-

-

 Private employee

1.34 (0.59–3.00)

0.484

-

-

 Housewife

1.16 (0.45–2.99)

0.763

-

-

 Public servant

0.72 (0.20–2.62)

0.622

-

-

 Unemployed

0.70 (0.15–3.23)

0.649

-

-

 Other occupations

1.33 (0.49–3.65)

0.573

-

-

Residence

 Saaba

1

-

-

 Arrondissement 4

3.55 (1.70–7.45)

0.001

-

-

 Arrondissement 1

1.29 (0.46–3.66)

0.629

-

-

 Arrondissement 6

1.83 (0.38–8.89)

0.451

-

-

 Other residences

0.92 (0.25–3.43)

0.898

-

-

Principal place last 7 days

 Home

1

-

-

 Workplace

1.34 (0.73–2.48)

0.347

-

-

 School

1.06 (0.39–2.90)

0.905

-

-

 Other places

0.65 (0.15–2.86)

0.568

-

-

Place during daytime

 Saaba

1

1

 Arrondissement 4

2.92 (1.38–6.20)

0.005

2.36 (1.03–5.45)

0.044

 Arrondissement 1

1.29 (0.48–3.48)

0.616

1.34 (0.46–3.98)

0.591

 Arrondissement 6

2.09 (0.43–10.27)

0.362

2.39 (0.44–13.00)

0.314

 Other places

1.59 (0.56–4.53)

0.384

1.44 (0.48–4.33)

0.520

Number of family contacts

0.99 (0.92–1.06)

0.782

-

-

Number of adult contacts

1.00 (0.91–1.11)

0.952

1.03 (0.92–1.15)

0.581

Knowledge of dengue

 No

1

1

 Yes

0.58 (0.32–1.03)

0.062

0.53 (0.29–0.98)

0.042

Knowledge of the germ

 Don’t know

1

-

-

 Virus

1.11 (0.38–3.22)

0.854

-

-

Knowledge of transmission ways

 Don’t know

1

-

-

 Mosquito bite

1.30 (0.72–2.36)

0.381

-

-

Difference between dengue fever and malaria

 No

1

-

-

 Don’t know

1.21 (0.46–3.18)

0.696

-

-

 Yes

1.39 (0.56–3.47)

0.474

-

-

Temperature

 Below 38.5 °C

1

-

-

 Above 38.5 °C

0.62 (0.27–1.40)

0.247

-

-

Presence of signs and symptoms (ref. absence)

 Headaches

1.71 (0.22–13.05)

0.604

-

-

 Retro-orbital pain

0.68 (0.30–1.55)

0.357

-

-

 Myalgia

0.49 (0.28–0.88)

0.017

0.74 (0.39–1.43)

0.378

 Arthralgia

1.71 (0.96–3.05)

0.068

1.53 (0.81–2.89)

0.190

 Nausea

1.09 (0.56–2.15)

0.796

-

-

 Vomiting

2.48 (1.40–4.40)

0.002

2.99 (1.58–5.64)

0.001

 Abdominal pain

0.88 (0.46–1.66)

0.688

-

-

 Hemorrhagic manifestations

17.85 (2.91–109.36)

0.003

-

-

 Chills

0.44 (0.06–3.31)

0.425

-

-

 Anorexia

2.49 (0.91–6.82)

0.077

1.70 (0.57–5.07)

0.337

 Asthenia

0.71 (0.17–3.07)

0.652

-

-

 Dizziness

0.95 (0.33–2.76)

0.931

-

-

RDT malaria

 Negative RDT

1

1

 Positive RDT

0.46 (0.24–0.86)

0.016

0.28 (0.14–0.57)

 < 0.001