Unlike the mean differences presented in Table 1, which do not account for confounding factors, these ATT estimates account for the other confounding factors including selection bias arising from potential systematic differences between participants and non-participants.
The mean differences presented in Table 4 suggest that smokers who were also heavy drinkers tended to smoke more cigarettes per day than smokers who drank moderately or not at all.
Least squares (LS) estimates of the mean difference are presented, with 95% CIs.
When only the mean difference is presented, which is half the magnitude of the MIC for an individual, the intervention is likely to be interpreted as ineffective.
Critical difference at 5% level of significance was calculated for comparing the mean of difference presented in the summary table.
Within the paper only mean differences were presented with no details of variation from the mean or exact significance.
Within this paper only mean differences are presented with no details of variation from the mean and exact significance.
Table 4 presents mean difference in BMI z-score based on self-reported and direct measures of weight and height by BMI response capability.
For continuous data summarized by arithmetic means and SDs, we presented mean difference values.
The mean difference between the Percent Present calls with the rhesus macaque and human GeneChips was significant at the.001 level.
