The phrase "and type of areas" is not correct in standard written English.
It seems to be missing a determiner or a noun to clarify its meaning.
Example: "We need to analyze the different types of areas that are affected by the policy changes."
Alternatives: "and categories of areas" or "and kinds of areas".
Selected schools were randomly selected through two levels, regions of Finland (Capital, South, Middle, North), and type of area (urban, sub-urban, rural) using proportion probably size.
However, we consider this an indication of overadjustment in the model, because air pollution and type of area are closely related.
This effect was observed for two of the investigated exposure variables (at the age of 12, "stopped eating at home due to lack of money" and "type of area in which the participant lived").
The questionnaire also included questions about the GP's profile: qualifications, duration of GP experience, number of GPs based in the general practice, and type of area served by the general practice (e.g. urban, suburban, rural).
The early SEP variables selected for adjustment in the multivariate ordinal analysis (table 2) were as follows: mother's education level, number of children of the biological mother, not having eaten at home due to lack of money at age 12, age when participant started working and type of area in which the participant lived at the age of 12 (model 2).
All the classifying properties of hydrogels affect their applicability and types of areas in which they can be incorporated.
This is particularly true in the basin-and-range type of areas of parts of Iran, Afghanistan, Pakistan, the western United States, Chile and Peru, Sinai and western Arabia, and Central Asia, where the basic landscape configuration consists of mountains set against adjacent basins.
In total, such a classification results in 30 different strata by age, gender and type of residential area.
Additionally, unlike previous studies [ 12, 28], we did not find significant associations of age and type of residential area (urban/rural) with the prevalence of anti-HEV.
Information on occupation, educational level, marital status, children living at home, and type of living area in 1990 was obtained from Statistics Sweden.
