The delivery of high quality statistical analyses within stringent time limits is a challenge for any statistical programming group. Meeting delivery dates depends on factors such as the availability and quality of data, finalization of the statistical analysis plan (SAP) and table shells, ad hoc requests, last minute changes etc. Above all you still need to provide high quality even against hi...

background menarche is considered as a milestone in the women’s reproductive life. most existing studies on factors influencing menarcheal age had cross-sectional designs and their finding were controversial. objectives we aimed to determine some factors affecting the age at menarche in a cohort study with an average of ten-year follow-up; the study was conducted within the framework of tehran ...

BACKGROUND Use of single measurement of risk factors can distort their estimated effects, due to random error in measurements. The aim of this study was to examine the extent of underestimation in the estimated effect of common variables in physical exam i.e. systolic and diastolic blood pressure (SBP, DBP) and body mass index (BMI) on cardiovascular diseases in Tehran Lipid and Glucose Study (...

BACKGROUND A sound understanding of community perceptions and experiences regarding barriers to a healthy diet is a prerequisite for the design of effective interventions aimed at prevention of diet-related non-communicable diseases (NCDs). This study focused on exploring barriers to healthy nutrition as experienced by women participating in the Tehran Lipid Glucose Study (TLGS). METHODS A gr...

Objectives. To evaluate the trajectories of change in obesity within and between Tehranian families, who participated in the Tehran Lipid and Glucose Study (TLGS). Methods. This study is a family-based longitudinal design, in four waves. A total of 14761 individuals, within 3980 families, were selected. Three anthropometric measurements, body mass index (BMI), waist circumference (WC), and a bo...

OBJECTIVE To see the changes of cardio-metabolic risk factors overtime in polycystic ovary syndrome vs. control women. METHODS This study was conducted on 637 participants (85 PCOS and 552 control reproductive aged, 18-45 years) of Tehran Lipid and Glucose Study (TLGS), an ongoing population-based cohort study with 12 years of follow-up. The cardiovascular risk factors of these groups were as...

BACKGROUND World Health Organization (WHO) defines three goals to assess the performance of a health system: the state of health, fairness in financial contribution and responsiveness. We assessed the responsiveness of health system for patients with diabetes in a defined population cohort in Tehran, Iran. METHODS Total responsiveness and eight domains (prompt attention, dignity, communicatio...