Table 7.

Average costs (95% CI) in pound sterling aggregated at family-level

	Control (n = 14)	Family (n = 14)	Pedometer (n = 13)
T1	200.9 (131.0, 270.8)	195.1 (110.2, 279.9)	183.1 (118.1, 248.1)
Intervention+	N/A	90.0 (84.5, 95.4)	24.6 (19.0, 30.1)
Pedometers	N/A	22.3 (16.9, 27.7)	22.2 (16.6, 27.7)
Other components	N/A	67.7 (−)	2.4 (−)
T2	115.6 (65.3, 165.9)	89.8 (33.9, 145.7)	104.9 (39.9, 169.9)
T3	322.2 (171.4, 473.0)	409.8 (137.6, 681.9)	239.5 (112.0, 367.0)
Total cost	437.8 (275.9, 599.7)	595.7 (307.5, 883.9)	347.3 (216.3, 478.3)
Unadjusted differences++	Reference	157.9 (− 154.76, 484.8)	−90.5 (− 301.3, 104.5)
Adjusted differences+++	Reference	191.5 (−62.5, 506.3)	−55.7 (−250.0, 143.6)

Note. ⁺Intervention costs incurred by local authorities; ⁺⁺ confidence intervals were calculated using 5000 non-parametric bootstrap replicates; ⁺⁺⁺ The differences were adjusted for cost at baseline. Abbreviations. T1 Baseline, T2 Time 2 assessments 8-weeks post-baseline, T3 Time 3 assessments 52-weeks post-baseline