Prospective evaluation of a complex public health intervention: lessons from an initial and follow-up cross-sectional survey of the tuberculosis strain typing service in England

Table 1 Characteristics of responders and non-responders to the follow-up survey

		Initial and follow-up responses^a		Non-responders to the follow-up survey
		N	%	n	%
Total		124		121
Profession	HPU	28	22.6	23	19.0
	Physician	30	24.2	29	24.0
	Nurse	66	53.2	69	57.0
TB incidence^b	Low	56	45.2	50	42.0
	Medium	33	26.6	32	26.9
	High	35	28.2	37	31.1
Work time	Full-time	95	79.2	87	77.0
	Part-time	25	20.2	26	21.5
Heard of the TB-STS		105	85.4	100	84.7
Access to strain typing		90	72.6	99	81.8

^aUsing the information reported in the initial survey.
^bArea where respondents worked is defined as low, medium and high TB incidence: <10/100,000, 10-19/100,000, ≥20/100,000 population, respectively.
There were no significant differences between characteristics of non-responders and responders, including access to strain typing (81.8 % vs. 72.6 %, chi² test p = 0.085).

ISSN: 1471-2458