R. Subramani

Learn More
We investigated subjects’ responses to a synthesized talking face displayed on a computer screen in the context of a questionnaire study. Compared to subjects who answered questions presented via text display on a screen, subjects who answered the same questions spoken by a talking face spent more time, made fewer mistakes, and wrote more comments, When we(More)
OBJECTIVE To identify risk factors associated with default, failure and death among tuberculosis patients treated in a newly implemented DOTS programme in South India. DESIGN Analysis of all patients registered from May 1999 through April 2000. A community survey for active tuberculosis was underway in the area; patients identified in the community survey(More)
SETTING Tiruvallur District, south India. OBJECTIVES To examine gender differences in tuberculosis among adults aged >14 years with respect to infection and disease prevalence, health care service access, care seeking behaviour, diagnostic delay, convenience of directly observed treatment (DOT), stigma and treatment adherence. METHODS Data were(More)
OBJECTIVE To identify risk factors associated with relapse among cured tuberculosis (TB) patients in a DOTS programme in South India. DESIGN Sputum samples collected from a cohort of TB patients registered between April 2000 and December 2001 were examined by fluorescence microscopy for acid-fast bacilli and by culture for Mycobacterium tuberculosis at 6,(More)
OBJECTIVES To measure the independent association of risk factors age, sex, smoking and alcoholism with pulmonary tuberculosis (TB) in terms of prevalence odds ratio (POR). METHOD A community-based cross-sectional survey was conducted from June 2001 to December 2003. A total of 93945 individuals aged > or = 15 years selected from a random sample of(More)
BACKGROUND In Tiruvallur District, South India, tuberculosis cases are detected at health facilities (HF) as part of a DOTS programme, and by screening adults through community survey (CS) as part of ongoing epidemiological research. OBJECTIVE To compare socio-demographic, clinical and bacteriological characteristics and treatment outcomes of all patients(More)
OBJECTIVE To estimate survival probabilities and identify risk factors for death of tuberculosis (TB) patients during treatment period. METHODS TB patients registered during May 1999 to December 2004 from a rural TB unit (TU) with a population of 580,000 in Tiruvallur district, South India, formed study population. Life table and Cox's regression methods(More)
UNLABELLED SET UP: One Tuberculosis Unit (TU) in Tiruvallur district, Tamil Nadu, India where Tuberculosis (TB) patients treated under Directly Observed Treatment Short Course (DOTS) programme. OBJECTIVE To identify the effects of weight gain among TB patients at the end of treatment on different factors such as socio-economic and demographic(More)
OBJECTIVE To determine the baseline prevalence of culture-positive and smear-positive tuberculosis and the annual risk of tuberculous infection (ARTI) in a community in south India where DOTS is being implemented. METHODS Using cluster sampling, 50 rural panchayats (villages) and three urban units in Tiruvallur district were selected randomly. All adults(More)
OBJECTIVE To assess the additional risk to household contacts from an infectious case of tuberculosis (TB) at home in a rural community in south India. METHODS In all, 3506 contacts of smear-positive (S+C+) and 2910 contacts of smear-negative TB cases (S-C+) and 246 845 persons with no TB case at home were followed for 15 years, with a repeat survey every(More)