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Table 5 The impact of number of night shifts per month on the prevalence of different types of headache among doctors and nurses

From: Prevalence and risk factors associated with headache amongst medical staff in South China

 DoctorsNurses
Total headacheOR (95% CI)MigraineOR (95% CI)TTHOR (95% CI)Total headacheOR (95% CI)MigraineOR (95% CI)TTHOR (95% CI)
Prevalence (%)Prevalence (%)Prevalence (%)Prevalence (%)Prevalence (%)Prevalence (%)
Night shift number 1.94
(1.07–3.52)
 1.80
(0.87–3.72)
 2.31
(1.07–4.98)
 1.67
(1.00–2.80)
 2.72
(1.43–5.15)
 0.99
(0.52–1.87)
 < 634/85 (40.0) 18/85 (21.2) 14/85 (16.5) 61/117 (52.1) 22/117(18.8) 34/117(29.1) 
 ≥653/94 (56.4) 26/94 (27.7) 26/94 (27.7) 82/127 (64.6) 48/127(37.8) 27/127(21.3) 
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