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OBJECTIVES To date, the uptake of chlamydia screening in community pharmacies has been limited. The objective of this cross-sectional study was to determine if a cash reward, offered to both the provider and the consumer of chlamydia screening, increased the uptake of screening in community pharmacies. METHODS During 4 weeks in 2011, chlamydia screening and education were offered in four city and two suburban pharmacies to people aged 16-30 years. Those who provided a urine sample for testing, contact details, and completed a brief questionnaire were rewarded with $A10. Positive participants, and their nominated contacts, were offered treatment. RESULTS Over a period of 751.5 h, 979 testing kits were requested, and 900 (93%) urine samples returned. Using probabilistic linkage methods, we determined that 671/900 (75%) urine samples were from unique individuals. 0.9 unique samples were obtained/hour of screening, 63% of which were provided by men. 19/671 (2.8%; 95% CI 1.7% to 4.4%) people tested positive, 5.2% (95% CI 2.8% to 8.8%) of women, and 1.4% (1.4 0.5 to 3.1) of men. 11/19 (58%) people were contacted and treated-two for suspected pelvic inflammatory disease. CONCLUSIONS Providing a cash reward to encourage chlamydia screening in community pharmacies resulted in greater participation rates than previously reported pharmacy-based studies, particularly among men. Easily implemented mechanisms to reduce inappropriate repeat screening, incorrect contact details and effects on pharmacy work flow may enhance the efficiency of this approach.

BACKGROUND: Chlamydia screening uptake rates in Australian and overseas pharmacies vary widely (11% to 58%). AIM: To determine the effect on the uptake of chlamydia screening in community pharmacies when a cash reward is offered to young people and participating pharmacies. METHODS: The study was advertised in print and electronic media. People aged 16–30 years requested, or were offered, chlamydia testing kits by pharmacy staff (assistants and pharmacists). Participants who provided a urine sample and completed a questionnaire received AUD$10; pharmacies received AUD$10 per person recruited. Urine specimens were tested in pools using PCR, with reflex testing of individual samples when the pool tested positive. Positive cases were notified by sexual health nurses and offered treatment. RESULTS: Six urban community pharmacies took part in the study, each for 15 days. 979 testing kits were given out and 970 sample pots returned (99.1%); 66 (7%) did not contain urine. 74% (670/904) of the urine samples were determined to be from unique individuals, 65% of whom were male. 19 people (13 females and 6 males) tested positive; positivity rates were 5.2% (95% CI 2.8 to 8.8) for females and 1.4% for males. 11 (61%) of those testing positive were contacted and eight attended a local sexual health centre for treatment, three were treated elsewhere. Of the eight people treated at the sexual health centre, two females aged 15 and 20 years were diagnosed with pelvic inflammatory disease. Contact with the remaining eight positive individuals was not possible due to disconnected, incorrect or non-existent telephone numbers. CONCLUSION: The 68% specimen return rate found in this study significantly exceeds those reported elsewhere. Strategies to prevent repeat testing, non-urine specimens and incorrect contact numbers are needed to ensure good clinical care and optimum use of resources.

LP1846 Liquid Gun Propellant is under development by the U.S. Army as a possible substitute for solid gun propellants. Available toxicity data on liquid gun propellant formulations and/or their major components, indicate toxicities in exposed rats, guinea pigs, rabbits and miniature swine. The major toxic effects of these monopropellants are attributed to the ingredient hydroxylammonium nitrate and result in erythrocyte crenation, Heinz body formation and methemoglobin production. This range-finding study was conducted to establish a dose response curve, based upon single topical applications of undiluted LP1846 at selected skin surface area exposures in male Hanford Miniature Swine. The data were necessary to select optimal skin surface areas to be exposed in follow-on definitive toxicity studies. RA 3; Heinz bodies; Methemoglobinemia; Liquid propellants; Hydroxylammonium nitrate; HAN; LP1846; Miniature swine; Nitrates.

Decision-making under ambiguity in cognitive bias tasks is a promising new indicator of affective valence in animals. Rat studies support the hypothesis that animals in a negative affective state evaluate ambiguous cues negatively. Prior automated operant go/go judgement bias tasks have involved training rats that an auditory cue of one frequency predicts a Reward and a cue of a different frequency predicts a Punisher (RP task), and then measuring whether ambiguous cues of intermediate frequency are judged as predicting reward ('optimism') or punishment ('pessimism'). We investigated whether an automated Reward-Reward (RR) task yielded similar results to, and was faster to train than, RP tasks. We also introduced a new ambiguity test (simultaneous presentation of the two training cues) alongside the standard single ambiguous cue test. Half of the rats experienced an unpredictable housing treatment (UHT) designed to induce a negative state. Control rats were relatively 'pessimistic', whilst UHT rats were quicker, but no less accurate, in their responses in the RR test, and showed less anxiety-like behaviour in independent tests. A possible reason for these findings is that rats adapted to and were stimulated by UHT, whilst control rats in a predictable environment were more sensitive to novelty and change. Responses in the new ambiguity test correlated positively with those in single ambiguous cue tests, and may provide a measure of attention bias. The RR task was quicker to train than previous automated RP tasks. Together, they could be used to disentangle how reward and punishment processes underpin affect-induced cognitive biases. © 2014 The Authors.