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Table 1 Summary statistics

From: Labour productivity among small- and medium-scale enterprises in Uganda: the role of innovation

Variable N Mean Sd p50 min max
Sales per worker 451 16.31607 2.093108 16.13052 10.08581 24.38683
Value added per worker 128 15.98301 2.114016 15.90234 11.0021 24.38681
Firm size (medium = 1) 698 0.3409742 0.4743766 0 0 1
Labour cost 410 16.48001 1.932582 16.31032 3.912023 24.11104
Innov
 Innovation_1 (yes = 1) 698 0.1174785 0.3222205 0 0 1
 Innovation_2 (yes = 1) 698 0.1318052 0.3385214 0 0 1
 Innovation_3 (yes = 1) 698 0.1848138 0.3884247 0 0 1
 Innovation_4 (yes = 1) 698 0.3237822 0.4682536 0 0 1
Age 646 15.16563 9.899125 14 2 87
Age squared 646 327.8375 554.779 196 4 7569
Experience 670 13.37313 8.208122 12 1 41
Certification (yes = 1) 636 0.1509434 0.3582755 0 0 1
Export (yes = 1) 698 0.0816619 0.2740453 0 0 1
ICT (yes = 1) 698 0.1805158 0.3848923 0 0 1
Gender (yes = 1) 698 0.8266476 0.3788231 1 0 1
Tax rate (obstacle = 1) 693 0.6392496 0.4805651 1 0 1
Transport (constraint = 1) 697 0.5093257 0.500272 1 0 1
Land access (constraint = 1) 671 0.414307 0.4929695 0 0 1
Corruption (obstacle = 1) 692 0.5375723 0.498947 1 0 1
Labour education (obstacle = 1) 691 0.4109986 0.4923714 0 0 1
Electricity (obstacle = 1) 697 0.6011478 0.4900139 1 0 1
Credit access (obstacle = 1) 677 0.7060561 0.4559034 1 0 1
Sector (manufacturing = 1) 698 0.4641834 0.4990732 0 0 1
Region
 Jinja (yes = 1) 698 0.1217765 0.327262 0 0 1
 Lira (yes = 1) 698 0.0558739 0.2298428 0 0 1
 Mbale (yes = 1) 698 0.1117479 0.3152819 0 0 1
 Mbarara (yes = 1) 698 0.1332378 0.3400753 0 0 1
 Wakiso (yes = 1) 698 0.0959885 0.2947868 0 0 1