| All | Internal trainers | Not internal trainers |
---|---|---|---|
Worker’s characteristics | |||
Demographic variables | |||
 Female | 0.321 | 0.276 | 0.349** |
 Age 45–49 | 0.472 | 0.498 | 0.456 |
 Age 50–54 | 0.309 | 0.297 | 0.317 |
 Age 55–57 | 0.218 | 0.205 | 0.227 |
 Single | 0.174 | 0.125 | 0.205*** |
 Primary education | 0.214 | 0.140 | 0.260** |
 Vocational education | 0.393 | 0.385 | 0.398 |
 High School education | 0.152 | 0.176 | 0.137 |
 Undergraduate education | 0.116 | 0.146 | 0.097** |
 Graduate post-graduate education | 0.126 | 0.153 | 0.108** |
 Health limitations | 0.112 | 0.100 | 0.120 |
Job’s characteristics | |||
 High-skilled occupations | 0.494 | 0.637 | 0.403*** |
 Low-skilled occupations | 0.506 | 0.363 | 0.597*** |
 Seniority < 10 years | 0.237 | 0.189 | 0.268** |
 Seniority 11–20 years | 0.226 | 0.201 | 0.243* |
 Seniority 21–30 years | 0.330 | 0.388 | 0.294** |
 Seniority > 30 years | 0.206 | 0.222 | 0.195 |
 Log of the daily wage | |||
 Log of the daily wage first quartile group | 0.234 | 0.140 | 0.293*** |
 Log of the daily wage second quartile group | 0.232 | 0.202 | 0.251** |
 Log of the daily wage third quartile group | 0.227 | 0.254 | 0.210* |
 Log of the daily wage fourth quartile group | 0.307 | 0.404 | 0.245*** |
 Part-time work | 0.076 | 0.052 | 0.091*** |
Working conditions | |||
 Has to change location frequently | 0.189 | 0.161 | 0.207** |
 No external demand needing immediate response | 0.524 | 0.448 | 0.573*** |
 No change in colleagues over the last 12 months | 0.567 | 0.456 | 0.638*** |
Firm’s characteristics | |||
 High share of young workers (< 30 years) | 0.301 | 0.300 | 0.302 |
 High share of workers aged 30–45 years | 0.500 | 0.489 | 0.506 |
 High share of older workers (> 45 years) | 0.199 | 0.211 | 0.192 |
 Firm size 20-49 | 0.148 | 0.161 | 0.140 |
 Firm size 50–299 | 0.263 | 0.242 | 0.276* |
 Firm size > 300 | 0.589 | 0.597 | 0.584 |
 Manufacturing | 0.400 | 0.390 | 0.408 |
 Building | 0.065 | 0.079 | 0.056** |
 Retail trade | 0.171 | 0.152 | 0.183* |
 Transports | 0.094 | 0.086 | 0.099 |
 Housing and finance | 0.164 | 0.196 | 0.144 |
 Media and services to firms | 0.105 | 0.097 | 0.110 |
 Observations | 4854 | 1819 | 3035 |