Medication costs during an 18 month clinical trial of obesity treatment among patients encountered in primary care

Table 1 Differences Between Groups in Monthly Medication Costs

	Standard Maintenance	Intensified Maintenance	Between-group difference	p value
Month 0	266.83(79.11)	273.12(76.05)	6.29(115.47)	n/a^†
Month 6	228.56(70.48)	241.84(66.7)	13.27(101.33)	0.45
Month 18	222.19(69.99)	275.29(78.35)	53.11(109.62)	0.31
Change: Month 6- Month 18
Total cost	−6.38(104.74)	33.46(104.68)	39.83(147.52)	0.61
Weight-related medications^{a, b}	−3.58(65.68)	−63.36(56.01)	59.78(86.5)	0.24
Non-weight-related medications^{a, b}	−7.49(54.22)	54.32(67.7)	61.81(86.87)	0.76
Change: Month 0 – Month 18
Total cost	−44.64(111.98)	2.18(113.8)	46.82(160.76)	n/a^†
Weight-related medications^{a, b}	−0.72(65.05)	−11.51(47.14)	10.79(81.08)	n/a^†
Non-weight-related medications^{a, b}	−31.06(61.04)	−4.37(80.72)	26.69(102.87)	n/a^†

^a Data are presented as mean (se) in 2013 U.S. dollar amounts
^{a, b} Medications for weight-related conditions are those for diabetes, hypertension, and cholesterol
† P values for Month 0 and change from Month 0 to Month 18 are not applicable since these were not a priori planned comparisons (i.e., randomization occurred at month 6)

ISSN: 2052-9538