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. Author manuscript; available in PMC: 2016 Jul 1.

Published in final edited form as: Arthritis Care Res (Hoboken). 2015 Jul;67(7):940–946. doi: 10.1002/acr.22542

Table 4.

Clinical measures stratified according to SES and DMARD Lag tertiles (n=1159).

		DMARD Lag Tertiles
	SES Tertiles	Shortest Lag 0 – 1.33 yrs. (n=387)	Intermediate Lag 1.34 – 6.62 yrs. (n=386)	Highest Lag 6.63 – 50.6 yrs. (n=386)
DAS28ESR mean ± SD
	Lower	4.80 ± 1.9^§	4.94 ± 1.7^§	5.07 ± 1.5^§
	Middle	4.33 ± 1.7^§	4.40 ± 1.6^§	4.33 ± 1.5
	Upper	3.28 ± 1.5	3.39 ± 1.6	3.80 ± 1.6
Sharp Score mean ± SD
	Lower	23.9 ± 35.2	54.1 ± 61.6	66.2 ± 71.5^‡
	Middle	35.8 ± 52.3^‡	46.1 ± 58.7	65.9 ± 69.2^†
	Upper	28.8 ± 46.5	46.5 ± 58.6	53.9 ± 64.5
MHAQ mean ± SD
	Lower	2.01 ± 0.76^§	1.98 ± 0.75^§	2.13 ± 0.63^§
	Middle	1.63 ± 0.59	1.71 ± 0.55^‡	1.89 ± 0.62^‡
	Upper	1.41 ± 0.45	1.47 ± 0.51	1.58 ± 0.47

^†

P ≤ 0.05 versus upper SES tertile after adjusting for age, sex, duration, ethnicity and Distance

^‡

P ≤ 0.01 versus upper SES tertile after adjusting for age, sex, duration, ethnicity and Distance

^§

P ≤ 0.001 versus upper SES tertile after adjusting for age, sex, duration, ethnicity and Distance