Do alternative methods for analysing count data produce similar estimates? Implications for meta-analyses

Table 7 Characteristics of studies in the empirical study

Study name	Follow-up	Interventions	Number in arm	Number of falls
Barnett et al. 2003 [19]	12 months	Group exercise with home exercise plan	76	40
Barnett et al. 2003 [19]	12 months	No exercise	74	70
Campbell et al. 1997 [20]	24 months	Individualised supervised home exercise	116	88
Campbell et al. 1997 [20]	24 months	No treatment	117	152
Campbell et. al 1999 [21]	10 months	Individualised supervised home exercise	45	22
Campbell et. al 1999 [21]	10 months	No treatment	48	35
Green et al. 2002 [22]	9 months	Individualised physiotherapy exercise in the community	85	74
Green et al. 2002 [22]	9 months	No treatment	85	51
Lord et al. 1995 [23]	12 months	Exercise classes	75	44
Lord et al. 1995 [23]	12 months	No treatment	94	75
Lord et al. 2003 [19]	12 months	Group exercise	259	174
Lord et al. 2003 [19]	12 months	No treatment or relaxation exercises	249	211
Robertson et al. 2001 [24]	12 months	Individualised supervised home exercise	121	80
Robertson et al. 2001 [24]	12 months	No exercise	119	109
Skelton et al. 2005 [25]	36 weeks	Individualised supervised group and home exercise	50	66
Skelton et al. 2005 [25]	36 weeks	Pamphlet on home exercises	31	119

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