Table 4 Wave Codes
Wave code (wellxxxx) | Number of cases 2012 | Cross-section (querxxxx) | Panel definition (panxx_12=) | Balanced panel | ||
|---|---|---|---|---|---|---|
1 | Cases with interview in current wave | |||||
1.1 | • First-time respondents | A | 2966 | Q | P* | □** |
1.2 | • Continuer respondents | |||||
1.2.1 | With interview in previous year | |||||
Same unit as prev. year | B | 12178 | Q | P | □ | |
Same unit as prev. year without employees liable to soc. sec. | C | 714 | P | □ | ||
Different unit as prev. year | D | 207 | Q | |||
1.2.2 | No interview in previous year | |||||
Same unit as the year before last | E | 205 | Q | |||
Different unit as the year before last | G | 0 | ||||
2. | Cases with no interview in the current wave | |||||
2.1 | • Non-response, possible interview in the following wave | H | 1076 | |||
2.2 | • One-time extension of sample, no further interviews | W | ||||
2.3 | • Non-response, final | X | 2036 | |||
2.4 | • Establishment went out of operation | |||||
2.4.1 | In current wave | Y | 346 | P | ||
2.4.2 | In earlier waves | Z | 4438 | P | ||