Country | Author, year | Sample description | Sample size | Age Range (years) | Age (years) | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
FI and Non-FI | FI | FI Prevalence (%) | |||||||||
Mean | Median | Mean | Median | Female | Male | Both | |||||
Japan | Nakanishi, 1997 [14] | Elderly recruited from Osaka | 1473 | ≥65 | NA | NA | NA | NA | 6.6 | 8.7 | 7.65 |
UAE | Rizk, 2001 [18] | Multiparous females recruited from one medical facility | 450 | ≥20 | 37.9 ± 13.2 | 11.3 | |||||
Taiwan | Chen, 2003 [15] | Community survey among women in Central Taiwan | 1253 | ≥20 | 43.2 ± 15.1 | 2.8 | |||||
Qatar | Bener, 2008 [19] | Women visiting primary health care clinics | 596 | 40–48 | 45.0 ± 0.9 | 10.4 | |||||
China | Ge, 2010 [16] | Women in 6 districts of Beijing | 3058 | 20–79 | 48 ± 16 | 63 ± 13 | 1.28 | ||||
Korea | Kang, 2012 [17] | Patients who have undergone medical check‒up from one medical facility | 1149 | 20–82 | 44.8 ± 10.2 | 49.0 ± 10.6 | 6.8 | 6.2 | 6.4 | ||
Malaysia (present study) | Roslani, 2013 | Single site, patients and relatives visiting Obstetrics and Gynaecology and General Surgery Clinics | 1000 | 18-84 | 38(24) | 8.3 | 8.3 | 8.3 |