To represent age differences between sexual partners in the 2 populations with age-different and age-similar sexual patterns, we used age differences between spouses or cohabiting partners reported in India in 2005 (mean 5.6 years; 95% CI 0 13 years) (17 ) and in the United States in 2008 (mean 2.1 years; 95% CI –7 to 11 years) (18 ), respectively.
To this end, we explored participants' one-year sexual histories focusing on dates of sexual activity episodes, coital frequency, condom use, age differences between partners, as well as drug and alcohol use at the time of first sexual intercourse.
Previous studies have not clearly identified these differences or used age- and sex-adjusted proportions to estimate the cumulative incidence.
Experiments, in contrast, aim at testing hypotheses that refer to a specific part of a theory; also they ignore individual differences or model the individual differences using age group as a proxy for developmental stage.
Mr. Goold uses the age difference between his leading man and the actress playing Lady Macbeth (Kate Fleetwood, 35) as a way to explain how the originally heroic Macbeth so readily succumbs to his wife's monstrous political ambitions for him.
This was then converted to the percentage change per year using the age difference between waves.
They use narrow age differences for eligibility to identify the effect of the subsidy.
T-test was used to compare age difference between migraine and control groups.
Using the average age difference between fathers and sons from the national census, the potential fathers' age range in 1985 is set to 35 50 when the sons were 14, which covers around 95% of the father-son pairs.
A Mann–Whitney test was used to compare age differences among the different groups of patients.
A Student's t-test was used to test the age difference between malignant and benign tumours, a P < 0.05 was considered to be significant.
