" Table 2    Differences Among the 1972, 1984, and 1996/97 Traveling Habits Survey ",,,,
No.,Topic,1972 survey,1984 survey,1996/97 survey
1,Trip modes surveyed,"Motorized trips only, although data on travel on foot were also gathered",Motorized and nonmotorized trips,Only motorized trips
2,Survey population,Permanent residents of Israel,Permanent residents of Israel,"Permanent residents of Israel, including Jews domiciled in Judea, Samaria, and Gaza."
,,Israel residents abroad for less than one year,Israel residents abroad for less than two months,Israel residents abroad for less than one year
,,Potential immigrants: persons who were eligible for immigrant cards and wished to stay in Israel for more than 3 months,Immigrants and potential immigrants who arrived in Israel before June 1983,Immigrants who reached Israel before the survey date
,,"Tourists, volunteers, and temporary residents in Israel for more than one year",Same definition used for 1972 survey,"Tourists, volunteers, and temporary residents in Israel for more than 3 months"
,,Excluding diplomats and UN personnel,Same as in 1972 ,Same as in 1972 
3,Age,5+,8+,8+
4,Tenants of institutions,Including institutions where five or more persons spend the night,Institutions not included,"Including students dormitories, immigrant-absorption centers, and sheltered housing"
5,Gross sample size,"56,000 households","5,000 households","17,700 households"
6,Geographic spread and locality type,"Countrywide (excluding Judea, Samaria, and Gaza)",Two expanded conurbations and Jerusalem and its surroundings,Countrywide
,,"Localities with populations of 10,000+",Not including Arab localities in Judea District,"Not including Druze localities on the Golan Heights, institutional local cities, and areas outside settled area, including Bedouin tribes in the Negev"
,,Small localities directly related to the conurbation,Not including kibbutzim and villages,Including kibbutzim and villages
7,Investigation period,November 1972–June 1973; not including summer months and holidays,January 1984–May 1985; two month interruption: July–August 1984,March 1996—February 1997; supplementary period: March—August 1997.
8,Number of investigation days,"One 24-hour day, starting at 14:00 on day preceding enumerator’s visit and ending at time of visit","1.5 24-hour days, starting on day preceding enumerator’s visit and ending at time of visit","3–4 investigation days, starting at beginning of day preceding enumerator’s visit and ending at end of day after enumerator’s visit"
9,Investigation days,"Sunday–Thursday; the entire period from Thursday evening to Sunday noon was not investiaged; holiday eves were not investigated; Sundays were investigated at the previous day level, and Thursday at the current day level","Sunday–Thursday; the entire period from Thursday evening to Sunday noon was not investiaged; holiday eves were not investigated; Sundays were investigated at the previous day level, and Thursday at the current day level",All days of the week; holidays were investigated; Thursdays were not investigated at the previous day level; Sundays were not investigated at the next-day level; and Friday–Saturday were not investigated at the current-day level
10,Investigation variables,Demographic and economic variables of household and individual,Same as in 1972,Same as in 1972
,,"Travel-related variables: origin, destination, hour, etc.",Same as in 1972,Same as in 1972
,,"Variables related to vehicles available to household: number of vehicles, type of vehicle, etc.",Same as in 1972,"Same as in 1972, plus variables related to parking"
11,Investigation method,Questionnaire filled in by enumerator,Same as in 1972,Questionnaire filled in by enumerator and diary left with respondents to fill in
12,Geographic regions,Tel Aviv and Haifa conurbations,Tel Aviv and Haifa conurbations and Jerusalem and its surroundings,"Division into geographic regions performed only at survey data analysis phase: Tel Aviv metropolitan area, Haifa metropolitan area, planned metropolitan Area of Beer Sheva, and Jerusalem and its surroundings"
,,Tel Aviv conurbation: 27 localities,"Tel Aviv conurbation: 41 localities (4 more were added during the survey, for a total of 45)",Tel Aviv metropolitan area: 259 localities
,,Haifa conurbation: 8 localities,Haifa conurbation: 14 localities; Jerusalem and its surroundings: 12 localities,Haifa Metropolitan Area: 101 localities
,,,,Planned metropolitan area of Beer Sheva: 130 localities
13,Trips,"Several actions—switching vehicles, stopping and exiting vehicle, switching drivers, and changing travel routes—were defined as having created two separate trips",A trip was defined by its main purpose even if there were stops on the way,Same as 1972
,,,Reaching the destination by two means of transport or along two routes was considered one trip,
14,Means of transport,One means of transport per trip,Possibility of more than one means of transport per trip,Same as 1972
"
Source: Israel Ministry of Foreign Affairs, Central Bureau of Statistics, 1996/97 Household Survey: Description of Survey (English in origin).",,,,