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Table 5 Predisposing conditions to the headache

From: Headache prevalence and its characterization amongst hospital workers in Enugu, South East Nigeria

Factors preceding the headache

Frequency (N =117)

Percent

Accident, illness or infection

22

18.8

Odours

5

4.3

Fatigue

34

29.1

School

2

1.7

Hunger

17

14.5

Noise

4

3.4

Stress

41

35.0

Exercise

1

0.9

Family problem

2

1.7

Menstrual flow

2

1.7

Lack of sleep

8

6.8

Hot weather

2

1.7

None

49

41.9

Existing chronic medical conditions that may cause headache

Hypertension

10

8.5

Cervical spondylosis

3

2.6

Refractive errors

19

16.2

Diabetes mellitus

2

1.7

Sleep apnoea

1

0.9

None

97

82.9

  1. Note that some respondents filled more than one option.