Table 8.

Number of admissions by speciality and type of admissions among women in Scotland with at least one admission, by smoking status at recruitment to the RCGP Oral Contraception Study

Admitting specialty and number of admissions	All admitted women, (N = 3657), n (%)	Number of cigarettes smoked daily at recruitment
		Non-smokers, (n = 1808), n (%)	<15, (n = 1020), n (%)	≥15, (n = 829), n (%)	P-value
Surgical					0.486
0	807 (22.1)	408 (22.6)	219 (21.5)	180 (21.7)
1	809 (22.1)	409 (22.6)	232 (22.8)	168 (20.3)
2	602 (16.5)	308 (17.0)	159 (15.6)	135 (16.3)
≥3	1439 (39.4)	683 (37.8)	410 (40.2)	346 (41.7)
Cardiology					<0.001
0	3283 (89.8)	1660 (91.8)	907 (88.9)	716 (86.4)
≥1	374 (10.2)	148 (8.2)	113 (11.1)	113 (13.6)
Respiratory					<0.001
0	3011 (82.3)	1544 (85.4)	831 (81.5)	636 (76.7)
1	398 (10.9)	181 (10.0)	119 (11.7)	98 (11.8)
2	133 (3.6)	50 (2.8)	40 (3.9)	43 (5.2)
≥3	115 (3.1)	33 (1.8)	30 (2.9)	52 (6.3)
Other medical					<0.001
0	504 (13.8)	277 (15.3)	139 (13.6)	88 (10.6)
1	816 (22.3)	438 (24.2)	213 (20.9)	165 (19.9)
2	646 (17.7)	322 (17.8)	173 (17.0)	151 (18.2)
≥3	1691 (46.2)	771 (42.6)	495 (48.5)	425 (51.3)
Intensive therapy unit					<0.001
0	3283 (89.8)	1664 (92.0)	915 (89.7)	704 (84.9)
≥1	374 (10.2)	14 (8.0)	105 (10.3)	125 (15.1)
Accident and emergency					0.738
0	3525 (96.4)	1741 (96.3)	987 (96.8)	797 (96.1)
≥1	132 (3.6)	97 (3.7)	33 (3.2)	32 (3.9)
Type of admission
Emergency admission					<0.001
0	956 (26.1)	530 (29.3)	251 (24.6)	175 (21.1)
1	951 (26.0)	501 (27.7)	257 (25.2)	193 (23.3)
2	602 (16.5)	311 (17.2)	163 (16.0)	128 (15.4)
≥3	1148 (31.4)	466 (25.8)	349 (34.2)	333 (40.2)
Inpatient admission					<0.001
0	329 (9.0)	195 (10.8)	74 (7.3)	60 (7.2)
1	668 (18.3)	347 (19.2)	189 (18.5)	132 (15.9)
2	530 (14.5)	287 (15.9)	138 (13.5)	105 (12.7)
≥3	2130 (58.2)	979 (54.1)	619 (60.7)	532 (64.2)