Productivity is very important thing in completing a work because it is a
comparison between output and input from the activity. Lack of attention to productivity
will be make unsatisfactory for the result. According to Sinungan (2018), factors that
affect worker productivity are production, human, capital, and organizational
environmental. In Nias Island, there are large number of construction projects being
worked on to make Nias Island develop. This study focused on factors affecting worker
productivity on construction projects with research limitation in Nias Island.
The analysis data had been use descriptive analysis and statistic analysis with
SPSS 16.0 software. Field research was carried out by distributing questionnaires directly
with randomize thirty construction projects located in Nias Island where the questionnaire
respondents are site managers.
From the result of every factor that affecting worker productivity, human factor
has significance 0.046 < 0.05, capital factor has significance 0.172 > 0.05, production
factor has significance 0.909 > 0.05, and organizational environmental factor has
significance 0.588 > 0.05. There is no significant affect of every factor except human
factor which has positive relation ( B = 0.176 ). It means, higher human factors make
higher worker productivity. R2 value is 0.499. It means the affect of independent variables
(human factors, capital factors, production factors, and environmental organizational
factors) on the dependent variable (worker productivity) is 49.90%.
There is no significant affect of every factor except human factor. Higher human
factors make higher worker productivity.