Table 1

Characteristics of the participants

CharacteristicIntervention
(n=2275)
Control
(n=2278)
Total
(n=4553)
Age, years
 Mean (SD)42.7 (11.5)42.7 (11.3)42.7 (11.4)
 Median (min, max)44.0 (19.0 to 74.0)44.0 (18.0 to 71.0)44.0 (18.0 to 74.0)
Gender (Female), n (%)1948 (85.6)1921 (84.3)3869 (85.0)
Average number of hours worked per week
 Mean (SD)35.8 (4.3)35.8 (4.5)35.8 (4.4)
 Median (min, max)37.5 (22.5 to 63.0)37.5 (15.0 to 62.0)37.5 (15.0 to 63.0)
Job type, n (%)
 Qualified nurse/midwife952 (41.8)985 (43.2)1937 (42.5)
 Support worker286 (12.6)276 (12.1)562 (12.3)
 Healthcare assistant272 (12.0)246 (10.8)518 (11.4)
 Other qualified staff/healthcare professional150 (6.6)163 (7.2)313 (6.9)
 Domestic services115 (5.1)110 (4.8)225 (4.9)
 Administrator/receptionist/secretarial78 (3.4)100 (4.4)178 (3.9)
 Occupational therapist65 (2.9)65 (2.9)130 (2.9)
 Imaging64 (2.8)53 (2.3)117 (2.6)
 Physiotherapist68 (3.0)36 (1.6)104 (2.3)
 Pharmacist/pharmacy technician50 (2.2)53 (2.3)103 (2.3)
 Ward clerk44 (1.9)49 (2.2)93 (2.0)
 Doctor/consultant38 (1.7)42 (1.8)80 (1.8)
 Catering29 (1.3)38 (1.7)67 (1.5)
 Other51 (2.2)45 (2.0)96 (2.1)
Areas worked in, n (%)*
 Ward1261 (55.4)1199 (52.6)2460 (54.0)
 Clinical room/area722 (31.7)755 (33.1)1477 (32.4)
 Community260 (11.4)268 (11.8)528 (11.6)
 Indoor hospital grounds/corridors160 (7.0)183 (8.0)343 (7.5)
 Office91 (4.0)113 (5.0)204 (4.5)
 Food preparation/serving area77 (3.4)87 (3.8)164 (3.6)
 Other80 (3.5)118 (5.2)198 (4.3)
Had slip at work in the 12 months prior to enrolling in the study, n (%)850 (37.4)885 (38.8)1735 (38.1)
If yes, how many? Median (min, max)2 (1 to 400)2 (1 to 300)2 (1 to 400)
Suffered injury from any of these slips, n (%)96 (11.3)89 (10.1)185 (10.7)
  • *not mutually exclusive.

  • %, percentage; max, maximum; min, minimum; n, number; SD, standard deviation.