Research centre SKDS provides several Omnibus surveys on regular bases:

• Monthly face-to-face Omnibus surveys of residents of Latvia
• Quarterly face-to-face Omnibus surveys of residents of Riga city
• Web Omnibus surveys of residents of Latvia

Description of face-to-face Omnibus survey of residents of Latvia

Research Method: face-to–face interviews at the places of residence of respondents

Method: face – to – face interviews

Sampling method: multistage stratified random sampling; sample is representative to the general population of Latvia

Stratification criteria: ethnicity, administrative - territorial division of Latvia

Periodicity: one survey per month

Sample size: at least 1000 permanent residents of Latvia 15 (18) to 75 years old. Sample design is based on latest statistics on permanent residents of Latvian Republic.

Respondent selection: random route procedure, every third flat/ house, first birthday rule

Number of sampling points: at least 100

Multistage random sampling is organized in 3 stages:

A definite number of districts is selected from the list of all (26) the administrative districts of Latvia using the probability sampling. This sample of districts is proportional to the regional division of permanent residents in Latvia:

• Riga 34.1%
• Vidzeme 23.0%
• Kurzeme 13.3%
• Zemgale 14.1%
• Latgale 15.5%

From the selected districts by the probability sampling the places of residence are selected accordingly the number of residents and urbanization level.

Number of survey points are defined in every place of residence. In every point interviews in 10 households are realized. Selection of the households is done according with the route specification where the beginning point and principles of the route are defined. The respondent is selected accordingly with the first birthday rule. In the case the selected respondent cannot be interviewed in the moment, the interviewer tries three more contacts with him (her). If these three contacts are not successful, the next respondent is chosen according with the first birthday rule.

Standard social and demographic parameters (included in questionnaire by default):

• Gender
• Age
• Nationality
• Language used in family
• Citizenship
• Education
• Occupation
• Average income per month per one household member
• Place of residence (Riga, other city, rural areas)
• Region

Timing: one survey per month

To include the questions into current Omnibus they usually should be delivered to SKDS not later than 3rd day of current month.

The fieldwork usually is scheduled for 7 to 10 days and takes place in the second decade of the month.

The data of current Omnibus is usually available to clients starting from 27th day of current month (in case of raw data). If the reports should be prepared the actual date depends o­n the form of report and number of questions. Usually it takes 1 – 2 weeks.

The actual dates can vary slightly in respect of holidays and weekends in current month.



Description of face-to-face Omnibus survey of residents of Riga city

Research Method: face-to–face interviews at the places of residence of respondents

Method: face – to – face interviews

Sampling method: stratified random sampling; sample is representative to the general population of Riga city

Stratification criteria: ethnicity, administrative - territorial division of Riga city

Periodicity: one survey per quarter

Sample size: at least 800 permanent residents of Riga city 18 to 74 years old

Sample design is based on latest statistics o­n permanent residents of Riga city.

Respondent selection: random route procedure, every third flat, first birthday rule

Number of sampling points: at least 80

Stratified random sampling organization:

From all the administrative districts of Riga by the probability sampling the number of the interviews’ selection points are chosen accordingly with the number of residents in the district:

• Centre 6%
• Vidzeme district 23%
• Kurzeme district 18%
• Zemgale district 13%
• Latgale district 27%
• Ziemeļu district 13%

No more than 10 interviews are realized in every selection point. The interviews’ starting points are chosen from the randomly scheduled address list. Selection of the households is done according with the route specification where the starting point and principles of the route are defined. The respondent is selected accordingly with the first birthday rule. In the case the selected respondent cannot be interviewed in the moment, the interviewer tries three more contacts with him (her). If these three contacts are not successful, the next respondent is chosen according with the first birthday rule.

Standard social and demographic parameters (included in questionnaire by default)

• Gender
• Age
• NationalityLanguage used in family
• Citizenship
• Education
• Occupation
• Average income per month per o­ne household member
• Place of residence (administrative territory of Riga)

Timing: one survey per quarter

To include the questions into current Omnibus they usually should be delivered to SKDS not later than 3rd day of current month.

The fieldwork usually is scheduled for 7 to 10 days and takes place in the second decade of the month. 

The data of current Omnibus is available to clients starting from 27th day of current month (in case of raw data). If the reports should be prepared the actual date depends o­n the form of report and number of questions. Usually it takes 1 – 2 weeks.

The actual dates can vary slightly in respect of holidays and weekends in current month.