Table 1.

Description of included studies

Study	Setting	TD model structure and source	Screening uptake source	Baseline chlamydia prevalence source	Proportion asymptomatic	Duration of infection		Risk of transmission (baseline)
						No symptoms	Symptoms
Adams et al. 2007 [14]	Comparison of screening strategies, UK	Individual based, Turner et al. [24]	Studies of opportunistic screening, England	Systematic review and UK survey data	95.5% women; 100% men	180 days not seeking treatment	30 days seeking treatment	0.0375 per act
Andersen et al. 2006 [15]	Home sampling screening with partner notification, Denmark	Individual based, Kretzschmar et al. [4,48]	RCT of home sampling, Aarhus	Danish surveillance system and observational study in Aarhus	70% women; 50% men	370 days in women; 200 days in men	40 days in women; 33 days in men	0.11 per act
de Vries et al. 2006 [17]	One off screening, the Netherlands	Compartmental, original model	Pilot of one off screening, the Netherlands	Pilot of one off screening, the Netherlands	70% women; 50% men	1 year	1 month	0.68 assume per partnership
de Vries et al. 2008 [16]	Repeat systematic screening, the Netherlands	As above	As above	As above	As above	As above	As above	As above
Gillespie et al. 2012 [18]	Opportunistic screening, Ireland	Individual based, Turner et al. [24]	Pilot of opportunistic screening, Ireland	UK data	95.5% women; 100% men	180 days	30 days	0.0375 per act
Low et al. 2007 [5]	Active screening, UK	Individual based, Kretzschmar et al. [4,48]	ClaSS cross sectional study of screening uptake	ClaSS project	70% women; 25% men	200 days	40 days in women; 33 days in men	0.122 per act female to male; 0.154 per act male to female
Roberts et al. 2007 [19]	Register based screening, England	Individual based, Kretzschmar et al. and Low et al. [4,5,48]	ClaSS cross sectional study of screening uptake	ClaSS project	70% women; 25% men	200 days	40 days in women; 33 days in men	0.061 per day female to male;
								0.077 per day male to female
Townshend and Turner 2000 [21]	Three different screening strategies, UK	Compartmental, original model	Not presented	Sample of women presenting for cervical smear, UK	75% women; 50% men	2-3 years	Not presented	Not presented
Tuite et al. 2012 [20]	Screening, Canada	Compartmental, Fisman et al. [23]	Testing patterns from Ontario Public Health Laboratory	Annual notifiable disease data, Canada	90% women; 92% men	1 year untreated	Not presented	Present per partnership transmission probability* partner change rate
Welte et al. 2000 [22]	GP based opportunistic screening, Netherlands	Individual based, Kretzschmar et al. [4,48]	GP pilot study, Amsterdam	GP pilot study, Amsterdam	70% women; 50% men	Not presented	Not presented	0.10 per act
Welte et al. 2005 [6]	As above	As above	As above	As above	Not stated, assume as above	370 days in women; 200 days in men	40 days in women; 33 days in men	0.11 per act