Table 4.

95% Reference Ranges and Unadjusted Rate Ratios of Daytime and Nighttime Urination Frequencies Type of Fluid Intake in Healthy Women and Elite Healthy Women in the Boston Area Community Health Survey, 2008–2010

	Daytime Urinations					Nighttime Urinations
	Healthy Women (n = 1,505)		Elite Healthy Women (n = 300)		Healthy Women (n = 1,505)		Elite Healthy Women (n = 300)
	95% Reference Range	Unadjusted RR (95% CI)	95% Reference Range	Unadjusted RR (95% CI)	95% Reference Range	Unadjusted RR (95% CI)	95% Reference Range	Unadjusted RR (95% CI)
Carbonated drinks
0–7 oz	2–10	1.00 (-,-)	2–9	1.00 (-,-)	0–4	1.00 (-,-)	0–2	1.00 (-,-)
8–15 oz	2–9	0.98 (0.93, 1.02)	3–8	0.93 (0.82,1.05)	0–3	1.19 (1.03,1.36)	0–2	1.71 (1.13,2.58)
16+ oz	2–10	0.98 (0.92, 1.04)	2–8	0.87 (0.75,1.02)	0–4	1.40 (1.15,1.71)	0–2	1.24 (0.77,1.98)
Caffeinated drinks
0 oz	2–10	1.00 (-,-)	2–9	1.00 (-,-)	0–4	1.00 (-,-)	0–3	1.00 (-,-)
1–16 oz	2–10	1.01 (0.90, 1.13)	2–9	1.12 (0.90,1.40)	0–4	0.80 (0.66,0.98)	0–2	0.78 (0.48,1.28)
17–60 oz	2–10	1.04 (0.91, 1.18)	2–8	1.12 (0.97,1.30)	0–4	0.90 (0.74,1.09)	0–2	0.80 (0.42,1.50)
61+ oz	2–11	0.92 (0.80, 1.05)	4–8	1.02 (0.89,1.16)	0–6	1.10 (0.61,1.97)	0–4	1.30 (0.56,3.01)
Alcohol drinks
0 oz	2–10	1.00 (-,-)	2–8	1.00 (-,-)	0–4	1.00 (-,-)	0–3	1.00 (-,-)
1–24 oz	2–10	1.10 (1.02, 1.19)	2–9	1.21 (1.07,1.40)	0–3	0.70 (0.59,0.82)	0–2	0.60 (0.40,0.92)
25+ oz	3–10	1.04 (O.94, 1.16)	3–6	0.97 (0.88,1.07)	0–3	0.73 (0.63,0.83)	0–1	0.66 (0.42,1.05)

Note. RR = rate ratio; CI = confidence interval.