**Table 7. Heckman sample selection procedure: instruments for civil status and family background (hourly wages)**

|**Variable**||**Entire sampl**|**e**|**Teenagers**||||**Young adults**||**Prime aged**|**workers**||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
||All|Women|Men|All|Women|Men|All|Women|Men|All|Women|Men|
|**Wage**|||||||||||||
|<br>**Women**|-0.0836**|||-0.0954|||0.1709***|||0.0323|||
|**Log hours**|0.4459***|0.5276***|0.3775***|0.5752***|1.0319***|0.1508|0.2603**|0.6830***|-0.073|0.4192***|0.2934**|0.4444***|
|**Age of the respondent**|0.0035|0.0129|0.0025|-0.0255|0.0247|-0.0934**|-0.0695***|0.0144|-0.0741***|-0.0295*|-0.0864***|<br>-0.0013|
|**General Secondary**|-0.1351***|-0.1823***|-0.0793*|-0.1317*|-0.3072***|-0.2609**|-0.0605|-0.0649|-0.0644|-0.1929***|-0.1587**|-0.1846**|
|<br>**Specialised secondary**|-0.1682***|-0.3657***|0.0014|0.0291|-0.0292|-0.0497|-0.1963**|-0.29|0.0083|-0.2540***|-0.5069***|<br>-0.1186|
|<br>**University**|-0.0602|-0.2380***|0.085|0.3790**|0.3042|-0.1677|-0.1435|-0.1298|0.0914|-0.1444**|-0.4112***|<br>0.0088|
|<br>**Immigrated with the family**|0.1618**|0.1532|0.2509*|0.2974***|0.3926**|0.6503*|0.1556|0.1354|0.5745*|0.1850*|0.1964|<br>0.2658|
|<br>**Immigrated to find better educion**|0.0834|(omitted)|0.12|0.3159***|(omitted)|0.304|0.3412|(omitted)|0.2012|(omitted)|(omitted)|(omitted)|
|**Immigrated to look for jobs**|-0.1926|-0.3748|0.0637|0.0628|(omitted)|-0.8968**|-0.7379**|-0.9890**|-0.1552|-0.1821|-0.387|<br>-0.0751|
|**Immigrated for other reasons**|0.036|0.1146*|0.0138|0.0366|0.2574*|0.019|0.0863|0.1545|0.1215|0.0302|0.0659|<br>0.0394|
|**Work and study**|-0.0286|0.0025|-0.0266|-0.1219|0.0284|-0.3637|-0.154|-0.2844|-0.0708|0.0106|0.028|<br>0.0209|
|**Rural area**|-0.1614***|-0.0467|-0.1939***|-0.1699*|-0.1962**|-0.7442***|-0.4743***|-0.004|-0.4455***|-0.2400***|-0.3332***|<br>-0.2560***|
|**Constant**|4.4525***|3.7364***|4.6558***|4.3039***|1.5026|8.7065***|7.3784***|3.1653|8.5908***|5.6872***|8.0920***|4.7627***|
|**Selection equation**|||||||||||||
|<br>**Women**|-0.4408***|||-0.3150***|||-0.4096***|||-0.6801***|||
|**Age of the respondent**|0.0819***|0.0650***|0.0954***|0.1068***|0.1295**|0.0773*|0.1124***|0.0979***|0.1325***|0.0794***|0.0950**|0.0709*|
|**General Secondary**|0.3278***|0.2658***|0.3717***|0.4237***|0.4537***|0.4396***|0.1291|0.081|0.137|0.2494**|0.0594|<br>0.4700***|
|<br>**Specialised secondary**|0.5303***|0.5384***|0.5079***|0.4126*|0.6897**|0.2019|0.2653**|0.3725*|0.0612|0.4713***|0.4798*|0.6540***|
|**University**|0.6433***|0.6916***|0.5883***|0.6310*|0.5968|0.3338|0.4041***|0.7583***|0.2384|0.3816***|0.3184*|0.5234***|
|**Immigrated with the family**|-0.2380**|-0.0807|-0.5392**|-0.4999|-0.4311|-0.5355|-0.3244|-0.1393|-1.1142**|-0.112|-0.0476|<br>-0.215|
|**Immigrated to find better educion**|-0.8475**|-5.1852***|-0.6441|-0.1897|-4.7273***|-0.1954|-1.4518***|-4.7356***|-1.4092***|(omitted)|(omitted)|(omitted)|
|**Immigrated to look for jobs**|0.5041*|0.4275|0.7106|0.3804|-5.1428***|1.0657*|0.7467|0.8243|0.1749|0.4647|0.4092|<br>0.5137|
|**Immigrated for other reasons**|-0.0064|0.0871|-0.0528|0.1433|0.2714|0.1207|-0.1277|0.1246|-0.2553*|0.0032|-0.0271|<br>0.1452|
|**Work and study**|0.2648***|0.4646***|0.1229|0.3599**|0.5774**|(omitted)|0.5208***|0.7220**|0.4063*|0.185|0.5606|<br>-0.0195|
|**Rural area**|0.5708***|0.6116***|0.5420***|0.6381***|0.5607***|(omitted)|0.5425***|0.6740***|0.5113***|0.5252***|0.6139***|0.4401***|
|**Number of brothers and sisters**|0.0454**|0.0543|0.0359|0.1058**|0.0588|0.1206***|-0.0057|0.0402|-0.0177|-0.0164|-0.0259|<br>-0.0442|
|**Vocational secondary education offather**|-0.0455|0.0589|-0.1177|-0.1424|-0.1482|0.0884|0.0082|0.1374|-0.0375|0.0597|0.0055|<br>0.0797|
|<br>**Iniversity of father**|-0.2211***|-0.1371|-0.2785***|-0.4557***|-0.2777*|-0.1452*|-0.1383***|-0.2267|-0.1157**|0.0516|-0.0285|<br>0.0552|
|<br>**Vocational secondary education offather**|-0.0232|0.0094|-0.0612|0.0795|-0.1122|0.1484**|0.0039|-0.0634|-0.0589|0.0457|0.1121|<br>-0.1098|
|**Iniversity of father**|-0.0979|-0.0937|-0.1257|-0.3022**|-0.4695**|-0.0011|0.0402|0.0491|0.0417|0.0044|0.0804|<br>-0.0437|
|<br>**Fatherless**|0.2118***|0.1953**|0.2349***|0.2856**|0.4581***|0.3396*|0.0934*|0.2655|0.1161|0.1828**|-0.0403|<br>0.4039***|
|**Mptherless**|0.0803|0.0439|0.0895|0.3950**|-0.0131||0.1209*||0.1194|-0.2419||-0.2643|
|**Early marriage of woman**|0.1669|||0.4037|0.1064||0.1734***|||0.0265|||
|**Early marriage of men**|0.0325|||0.3194|||-0.0624||-0.0616|0.307||0.247|
|<br>**Woman engaged**|0.0165||(omitted)|0.2948||(omitted)|-0.1176|||-0.0056|||
|<br>**Man engaged**|0.5183***||<br>0.5148***|1.1813***||<br>0.2548*|0.3214***||0.3424***|0.1166||0.1812|
|<br>**Married, divorced or widowed woman**|0.0004||(omitted)|(omitted)||(omitted)|-0.0162|||0.1388|||
|**Married, divorced or widowed man**|0.3678***||<br>0.3201***|<br>(omitted)||<br>0.0294|0.1138||0.0837|0.1984*||0.2282**|
|**Man with 3 kids or more**|-0.4907||-0.4744|(omitted)||(omitted)|-0.7446***||-0.8188***|-0.4269||-0.3867|
|**Woman with 3 kids or more**|0.0003|0.0618||-3.8360***|-4.4723***||-0.0831|-0.503||0.3421*|0.2377||
|**Non single woman**||0.0737|||0.2913|||0.1259|||0.0929||
|**Constant**|-2.5761***|-2.7156***|-2.8087***|-3.2805***|-3.8996***|-3.0119***|-2.9181***|-3.2729***|-3.2295***|-2.2773***|-3.2630***|<br>-2.1520**|

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