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. 2016 Jul 27;4:e2283. doi: 10.7717/peerj.2283

Table 2.

The statistical analysis of presence of urinary incontinence (UI) with respect to multiple pregnancy, interval between pregnancies, miscarriage, gestational weeks, parity and anemia.

Variables UI present UI absent Overall Statistics
n (%) n (%) n (%) P
Multiple pregnancy (n, %) 0.747a
Present 1 (1.8%) 2 (2.6%) 3 (2.3%)
Absent 55 (98.2%) 74 (97.4%) 129 (97.7%)
Interval between pregnancies (n, %) 0.283a
Primigravida 29 (51.8) 33 (43.4) 62 (47.0)
<2 years 17 (30.4) 18 (23.7) 35 (26.5)
2–5 years 6 (10.7) 14 (18.4) 20 (15.2)
>5 years 4 (7.1) 11 (14.5) 15 (11.4)
Miscarriage (n, %) 0.526a
Present 16 (28.6) 18 (23.7) 34 (25.8)
Absent 40 (30.3) 58 (76.3) 98 (74.2)
Gestational weeks 0.908b
Median 38 38 38
(Min–Max) (33.0–40.0) (33.0–40.0) (33.0–40.0)
Parity 0.358b
Median 1.0 2.0 2.0
(Min–Max) 1–4 1–8 1–8
Anemia (n, %) 0.862a
Present 22 (39.3) 31 (40.8) 53 (40.2)
Absent 34 (60.7) 45 (59.2) 79 (59.8)

Notes.

a

Chi-square (χ2) test.

b

Mann–Whitney test.