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. 2001 Apr 23;2001(2):CD002246. doi: 10.1002/14651858.CD002246

1. Data from non‐randomised controlled trials.

Study Participants (I/C) Intervention Assessment Smoke alarms Other outcomes Notes
Project Burn Prevention (McLoughlin 1979, MacKay 1982, McLoughlin 1982) I: 3 cities in east of state 
 C: 2 cities in west of state (with lower baseline burn incidence) I1: Mass media 
 I2: I1 + school program 
 I3: I1+ community outreach 
 C: No intervention Population surveillance for ER injury visits, 4 years before to 12 months after; telephone surveys Not reported for both groups Adjusted burn incidence rate ratio, during vs before: Intervention: I1) 1.4 (1.1, 1.6) 
 I2) 0.8 (0.5, 1.1) 
 I3) 1.2 (0.8, 1.7) Control: 
 1.0 (0.6, 1.5)  
Miller 1982 I: 120 consecutive parents of children seen for well child care in middle class suburban practice 
 C: Preceding 120 consecutive, similar parents I: Pamphlet, brief education, discount alarms in office; usual well child care 
 C: Usual well child care Home inspection 4‐6 weeks after intervention. 
 
 Response rate: 
 I: 108/120 (90%) 
 C: 105/120 (88%) Intervention: 
 Owned: 79/108 (73%) 
 Installed: 72/108 (67%) 
 Functioning: 61/108 (56%) 
 Control: 
 Owned: 64/105 (61%) Installed: 64/105 (61%) 
 Functioning: 46/105 (44%) Not reported  
LeBailly 1990 407 families with children <5 yrs seen for well child care in suburban practice or urban clinic, allocated sequentially in groups of ˜100 (differed on home ownership, socio‐economic status) I1: Free alarm and other safety devices, usual well child care 
 I2: Free alarm and other safety devices, injury prevention counselling, usual well child care 
 I3: Injury prevention counselling, usual well child care 
 C: Usual well child care Non‐blinded home interviews and inspections 9 months after intervention. 
 
 Response rate: ˜75% Intervention: Owned: 
 I1: 100% 
 I2: 99% 
 I3: 92% 
 (numerators, denominators not reported) 
 Control: Owned: 
 96% 
 (numerators, denominators not reported) Not collected  
SCIPP (Guyer 1989, Bass 1991) I: 9 communities (total pop. 139,807) 
 C: 5 demographically similar communities (total pop. 146,866) I: Injury prevention program in communities, schools, homes, and clinical settings 
 C: No intervention Population injury surveillance 1 yr before to 2 mos after. 
 Phone survey response: pre‐ 59%, post‐ 85% (similar in 2 groups) Intervention: Owned: 
 418/508 (82.3%) 
 Change: +9.4% 
 Control: Owned: 
 339/409 (83.9%) 
 Change: +14.9% Adjusted odds ratio for burns (during vs before), in intervention vs control communities: 
 OR=0.8 (0.5, 1.2) Unpublished data provided by investigators
Schwarz 1993 I: 5 contiguous census tracts [3004 households (51%) participated] 
 C: 4 bordering, contiguous census tracts (similar socio‐demographics, baseline injury rates) I: Free alarms and installation; home inspection, education, modification; community education 
 C: No intervention Population injury surveillance 2 yrs before to 1 yr after program. 
 
 1‐yr post‐intervention inspection of randomly selected households. 
 Response rate: 
 I: 902/1250 (72%) 
 C: 1060/1472 (72%) Intervention: Functioning: 866/902 (96%) 
 Control: Functioning: 816/1060 (77%) 
 Adjusted odds ratio: 7.14 (5.0 to 10.0) Intervention: Fire‐related injuries/1,000: 
 Before: 1.83 
 During: 1.14 
 After: 0.86 
 Incidence change (after vs before): 
 0.5 (0.4, 0.6) 
 Control: Fire‐related injuries/1,000: 
 Before: 1.34 
 During: 2.68 
 After: 1.11 
 Incidence change (after vs before): 
 0.8 (0.6, 1.1) Unpublished data provided by investigators
Mallonee 1996 I: City area with highest risk of fire‐related hospitalisations and deaths 
 C: Rest of city I: Door‐to‐door alarm give‐away, fire prevention brochures, limited alarm installation 
 C: No intervention Population fire and fire‐related injury surveillance 2.5 years before to 4 years after program Intervention: Functioning at 4 years: 45% Control: Not collected Intervention: After vs before: 
 Fire‐related injuries/100k: 0.2 (0.1, 0.4) 
 Fire‐related injuries/100 fires: 0.3 (0.1, 0.6) 
 Fires/1000 homes: 0.75 (0.5, 1.1) 
 Control: After vs before: 
 Fire‐related injuries/100k: 1.1 (0.7, 1.7) 
 Fire‐related injuries/100 fires: 1.3 (0.9, 2.0) 
 Fires/1000 homes: 0.8 (0.5, 1.3)  
McConell 1996 I: All 2350 new residents of subsidised housing 
 C: All existing residents (lower baseline fire risk, similar socio‐demographics) I: 35‐minute mandatory lecture and video on fire safety and prevention; reminder card 
 C: No intervention Population fire surveillance during 15 month study period Not collected for either group Intervention: 278 fires/100k person years 
 Control: 1538 fires/100k person years 
 Relative risk (Intervention vs. Control) 0.18 (0.16, 0.21)  
Johnston 2000 I: 6 preschool enrichment centers C: 3 preschool enrichment centers (213 families) C: 3 preschool enrichment centers (149 families) I: Written safety information and free alarms or batteries if needed C: Written safety information only Home inspection 3 months after intervention Functioning alarms: Intervention: 211/211 (100%) Control: 136/143 (95%) Adjusted RR: 1.06 (95% CI: 1.00, 1.12); Fisher Exact 2‐tailed: P=0.018; Functioning alarms acquired: Intervention: 13/211 (6.0%) Control: 3/143 (2.1%) Adjusted RR: 2.37 (95% CI: 0.52, 10.86); Fisher Exact 2‐tailed: P=0.33 Not collected  
Ozanne‐Smith 2002 I: Municipality C: Demographically similar municipality (with higher baseline injury hospitalisation rate) I: 6‐year community injury prevention program: mass media, education, training, promotion and action for hazard reduction and environmental change C: No intervention Population injury surveillance; telephone survey post‐intervention of 250 randomly selected households each group Intervention: Installed: 166/248 (67%) 
 Installed since program began: 158/248 (64%) 
 Control: Installed: 166/250 (66%) 
 Installed since program began: 156/248 (63%) Fire‐related injury data not reported.