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Table 1 Characteristics of study participants, Menstrual Solutions Pilot study, Western Kenya, 2012–2013

From: Use of menstrual cups among school girls: longitudinal observations nested in a randomised controlled feasibility study in rural western Kenya

Characteristic at enrolment Number (%), N = 192
Class at time of enrolment
 5 14 (7.3)
 6 47 (24.5)
 7 108 (56.3)
 8 23 (12.0)
Age at enrolment, years
 14 93 (48.4)
 15 80 (41.7)
 16 19 (9.9)
 Mean age (sd), years 14.6 (0.7)
Socio-economic status household of girlsa
 Poorest 2 SES quintiles 22 (11.5)
 Higher 3 SES quintiles 138 (71.9)
 No information 32 (16.7)
Age at menarche in yearsb
 Mean age at menarche (sd) 13.5 (1.0) n = 188
   < 13 20 (10.6)
  13 63 (33.5)
  14 81 (43.1)
  15 24 (12.8)
Mean days of bleeding (sd) 3.7, sd 1.4, range 2–14
Days of bleeding
  ≤ 5 172 (89.6)
 6–7 18 (9.4)
  > 7 2 (1.0)
Amount of bleeding
 Heavy 40 (20.8)
 Medium 96 (50.0)
 Light 56 (29.2)
Cramps when menstruating Any: 119 (62.0)
 Mild cramps 59 (30.7)
 Moderate cramps 30 (15.6)
 Severe cramps 30 (15.6)
Material used for menstruation before enrolment
 Used some pads 169 (88.0)
 Used cloths 21 (10.9)
 Used other items 2 (1.0)
  1. Abbreviations: sd standard deviation
  2. aThe socio-economic status of the household was calculated using a weighted average from multiple correspondence analyses (MCA), whereby indicators were generated from biennial household surveys in the Health and Demographic Surveillance System [5]
  3. bUnknown for 4 girls