Potential risk factors for constipation in the community

Table 9 Fibre and constipation

Ref.	Location	Sample size	Age range (yr)	Definition of constipation	Dietary intake of fibre	Prevalence (%)	Odds ratio (95%CI)	P value
Garrigues et al[60], 2004	Spain	349	18-65	Self-report (12 mo)	Low fibre; Medium fibre; High fibre	19.2; 10.9; 20.9	1.00; 0.38 (0.15, 0.96); 1.05 (0.35, 3.17)	0.04; 0.93
Rey et al[55], 2014	Spain	1500	> 18	Rome III	1st quintile; 2nd quintile; 3rd quintile; 4th quintile; 5th quintile	23; 18; 17; 18; 20	NR	NS

NR: Not reported; NS: Not significant.