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Table 1 Demographic characteristics of baseline population by sex

From: Rationale, description and baseline findings of a community-based prospective cohort study of kidney function amongst the young rural population of Northwest Nicaragua

Variable All participants Sex
Men Women
n (350) n (263) n (87)
Age (yrs), mean ± SD 23 ± 3.7 23.3 ± 3.7 23.6 ± 3.5
Years of school, mean ± SD 6.4 ± 3.4 6.2 ± 3.4 7.1 ± 3.0
Household income per month (Córdobas), mean ± SD 7426 ± 5333 7744 ± 5531 6462 ± 4578
Number of family members, median (IQR) 4 (3–6) 4 (3–6) 4 (3–5)
Body mass index (BMI), median (IQR) 22.7 (21.0–29.9) 22.3 (20.8–24.1) 24.4 (21.8–30.0)
Systolic blood pressure (mmHg), median (IQR) 118 (109–124) 120 (111–126) 109 (103–119)
Diastolic blood pressure (mmHg), median (IQR) 68 (63–74) 69 (63–75) 68 (63–72)
Heart rate, median (IQR) 71 (65–78) 69 (64–76) 77 (71–83)
eGFR mL/min/1.73 m2, median (IQR) 128 (121–137) 128 (120–137) 128 (123–136)
Ever smoked, # (%) 144 (41.1) 142 (53.0) 2 (2.3)
Ever drank alcohol, # (%) 194 (55.4) 181 (68.8) 13 (14.9)
NSAIDsa, # (%) 296 (84.6) 217 (82.5) 79 (90.8)
Urinary tract infection, # (%) 91 (26.0) 56 (21.3) 35 (40.2)
Nephrotoxic antibioticsb, # (%) 49 (14.0) 33 (12.5) 16 (18.4)
  1. SD standard deviation, eGFR estimated glomerular filtration rate, IQR Interquartile range, NSAIDs nonsteroidal anti-inflammatory drugs
  2. adiclofenac and ibuprofen; bgentamicin and amikacin