One of the factors which critically determines the choice of occupation is?

Educational or trade/skill level - Certainly one is limited by his/her levels and areas of education or training when choosing a profession or avocation. After detection of one's aptitudes, one should channel him/herself into areas where there is both talent and skill in order to be qualified for a position. Choosing fields that are open to employment are also essential.
Area where one lives or wishes to live - Individuals need to be aware of what job markets are available in the location where they live or where they wish to relocate.
Demands/Requirements of the job - Individuals will want to consider what the position will entail, such as hours of work, clothing, equipment, travel, supplies, etc that one may have to purchase. Also, individuals may have to use their own vehicle for work assignments.
Work Schedule - Some fields, such as recreation and retail and other sales, require a person to work evenings and weekends. If a person has a family, such a schedule could be during the time that others in the family are at home. So, the absence of the member working can affect interpersonal relations.
Benefits available - Insurance, 401K, retirement plans, profit sharing, vacations, day care for children are all things to consider when choosing an occupation.