A substantial frequency of total enamel defects, amounting to 33%, was estimated.
The THQ is a ratio between the measured concentration and the oral reference dose, weighted by the length and frequency of exposure, amount ingested and body weight.
The THQ is a ratio between the measured concentration and the oral reference dose (RfD), weighted by the length and frequency of exposure, amount ingested and body weight.
AUDIT assessments include frequency of drinking, amount of alcohol consumed when drinking, and perceptions of self and others about drinking; a score greater than 9 indicates "problem drinking".
Table 1 shows the frequency of weekly amount of physical exercise during pregnancy and the distribution of covariates according to this variable.
Weekly acetaldehyde consumption was calculated by combining the frequency of drinking and amount of total acetaldehyde consumption per one occasion.
All but the interaction effect of sloping streets by park presence remained statistically significant in the models of frequency and amount of motorised transport.
In summary, this paper provides the first in-depth analysis of hazardous drinking behaviours and their socio-economic correlates among working-age Russian men, going beyond earlier surveys of frequency and amount of beverage alcohol consumption.
There were also questions on frequency of participation and amount of time per occasion.
There were no independent effects for "binge drinking", frequency of drinking, or amount per session.
The questionnaire for alcohol consumption consists of two categories: assessment of frequency of drinking and amount of alcoholic beverages that the subjects consumed on average.
