Table 1

Rate of unintentional drowning mortality and hospitalised morbidity in NSW using population-based, population-risk and person-time risk estimates, 2005

MenWomen
Age groupRate per 100000 population*Rate per 100000 exposed via being in or on the waterRate per 100000 exposed via swimming, fishing or rock fishingRate per 100000 exposed via swimming§Rate per 1000 h swimmingRate per 100000 population*Rate per 100000 exposed via being in or on the waterRate per 100000 exposed via swimming, fishing or rock fishingRate per 100000 exposed via swimming§Rate per 1000 h swimming
Mortality**
16–240.7 (0.5 to 1.2)1.6 (0.3 to 4.7)3.9 (0.8 to 11.5)4.9 (1.0 to 14.2)3.5 (0.7 to 10.2)
25–342.3 (1.9 to 2.9)6.2 (3.1 to 11.2)19.7 (9.8 to 35.2)25.6 (12.8 to 45.8)20.6 (10.3 to 36.8)0.2 (0.1 to 0.5)0.6 (0 to 3.2)2.0 (0 to 11.0)2.6 (0.1 to 14.6)1.2 (0 to 6.6)
35–441.2 (0.9 to 1.6)2.7 (1.0 to 5.8)7.4 (2.7 to 16.0)10.1 (3.7 to 22.0)7.5 (2.8 to 16.4)
45–541.7 (1.4 to 2.2)4.7 (2.0 to 9.3)18.4 (7.9 to 36.2)29.1 (12.5 to 57.3)8.1 (3.5 to 16.0)0.2 (0.2 to 0.5)0.8 (0 to 4.3)3.8 (1.0 to 21.1)5.6 (0.1 to 31.1)1.5 (0 to 8.2)
55–641.1 (0.8 to 1.6)3.5 (1.0 to 9.0)14.8 (4.0 to 37.9)28.5 (7.8 to 73.0)6.5 (1.8 to 16.6)
65+1.9 (1.7 to 2.4)9.5 (4.1 to 18.8)58.1 (25.1 to 114.5)98.0 (42.3 to 193.1)12.4 (5.4 to 24.5)1.0 (0.8 to 1.3)7.1 (2.3 to 16.6)86.6 (28.1 to 202.2)159.8 (51.9 to 373.0)7.9 (2.6 to 18.5)
Total1.5 (1.4 to 1.7)4.2 (3.0 to 5.7)14.0 (10.0 to 19.1)19.2 (13.7 to 26.1)9.0 (6.4 to 12.3)0.2 (0.2 to 0.3)0.8 (0.3 to 1.7)3.6 (1.5 to 7.5)4.5 (1.8 to 9.2)1.4 (0.6 to 2.9)
Hospitalised morbidity
16–244.5 (3.9 to 5.3)10.1 (6.1 to 15.8)24.9 (15.0 to 38.8)30.9 (18.9 to 48.2)22.1 (13.3 to 34.6)0.5 (0.4 to 0.9)1.2 (0.1 to 4.2)3.1 (0.4 to 11.2)3.7 (0.4 to 13.3)2.1 (0.3 to 7.5)
25–341.5 (1.2 to 2.0)4.0 (1.6 to 8.2)12.5 (5.0 to 25.8)16.3 (6.5 to 33.6)13.1 (5.3 to 27.0)0.4 (0.3 to 0.8)1.1 (0.1 to 4.1)4.0 (0.5 to 14.3)5.2 (0.6 to 18.9)2.4 (0.3 to 8.5)
35–441.0 (0.8 to 1.4)2.2 (0.7 to 5.2)6.1 (2.0 to 14.3)8.4 (2.7 to 19.7)6.3 (2.0 to 14.6)0.4 (0.3 to 0.7)1.1 (0.1 to 4.1)4.0 (0.5 to 14.3)5.3 (0.6 to 19.2)1.9 (0.2 to 6.9)
45–542.6 (2.2 to 3.2)7.1 (3.7 to 12.4)27.6 (14.3 to 48.2)43.6 (22.5 to 76.2)12.2 (6.3 to 21.3)0.6 (0.5 to 1.0)2.3 (0.5 to 6.7)11.4 (2.3 to 33.2)16.7 (3.5 to 48.9)4.4 (0.9 to 12.8)
55–641.3 (1.0 to 1.9)4.4 (1.4 to 10.3)18.5 (6.0 to 43.1)35.6 (11.6 to 83.1)8.1 (2.6 to 18.9)0.6 (0.5 to 1.0)2.2 (0.3 to 8.0)12.5 (1.5 to 45.2)18.6 (2.3 to 67.2)2.3 (0.3 to 8.4)
65+1.4 (1.2 to 1.8)7.1 (2.6 to 15.6)43.6 (16.0 to 94.9)73.5 (27.0 to 160.0)9.3 (3.4 to 20.3)1.0 (0.8 to 1.3)7.1 (2.3 to 16.6)86.6 (28.1 to 202.2)159.8 (51.9 to 373.0)7.9 (2.6 to 18.5)
Total2.1 (1.9 to 2.3)5.6 (4.2 to 7.3)18.9 (14.2 to 24.7)25.9 (19.5 to 33.8)12.2 (9.1 to 15.9)0.6 (0.5 to 0.7)1.9 (1.1 to 3.1)8.3 (4.7 to 13.4)10.2 (5.8 to 16.5)3.2 (1.8 to 5.2)
  • Results expressed as rate (95% CI).

  • Source: NSW Admitted Patient Data Collection and NSW Population Health Survey (HOIST). Centre for Epidemiology and Research, NSW Department of Health.

  • * Age adjusted rate per 100 000 population.

  • Crude rate per 100 000 population who reported ‘being in or on water, at a swimming pool, beach, lake, river, creek or stream or dam in the last 4 weeks’, based on responses from the NSW Population Health Survey, 2005.

  • Crude rate per 100 000 population who reported ‘swimming, fishing or rock fishing in the last 4 weeks’, based on responses from the NSW Population Health Survey, 2005.

  • § Crude rate per 100 000 population who reported ‘swimming in the last 4 weeks’, based on responses from the NSW Population Health Survey, 2005.

  • Person-time risk calculated per 1000 h reported swimming in the last 4 weeks, based on responses from the NSW Population Health Survey, 2005.

  • ** Rate not calculated as there were no deaths.