Descriptive statistics of some of the socio-economic characteristics (N = 72)
| Descriptive statistics | Minimum | Maximum | Mean | Std. deviation |
|---|---|---|---|---|
| Age of the respondent (actual number) | 26 | 71 | 41,6 | 9,367 |
| Total household income (rands) | 700 | 36 000 | 13 761,11 | 9 306,072 |
| Income from the sales of Prickly Pears (per season) | 130 | 1 400 | 589,792 | 321,6577 |
| Transportation expenses (Rands) | 0 | 900 | 298,97 | 208,349 |
| Distance to the selling point (km) | 1 | 25 | 5,165 | 4,4545 |
Demographic and socioeconomic information (N = 72)
| Variables | Frequency | Percentage |
|---|---|---|
| Gender | ||
| Female | 46 | 63,9 |
| Male | 26 | 36,1 |
| Level of education | ||
| No formal education | 7 | 9,7 |
| Primary education | 7 | 9,7 |
| Secondary education | 30 | 41,7 |
| Tertiary education | 28 | 38,9 |
| Marital status | ||
| Single | 39 | 54,2 |
| Married | 24 | 33,3 |
| Divorced | 3 | 4,2 |
| Widowed | 6 | 8,3 |
| Employment status | ||
| Employed | 18 | 25 |
| Unemployed | 13 | 18,1 |
| Self-employed | 41 | 56,9 |
| Number of times selling the Prickly Pears | ||
| Once every season | 14 | 19,4 |
| Two-three times a season | 9 | 12,5 |
| Four to five times a season | 32 | 44,4 |
| More than five times a season | 17 | 23,6 |
| Off-farm employment | ||
| Yes | 13 | 18,1 |
| No | 59 | 81,9 |
| Harvest Prickly Pears | ||
| Yes | 40 | 55,6 |
| No | 32 | 44,4 |
ANOVA results
| ANOVA results | Sum of Squares | df | Mean Square | F | Sig. |
|---|---|---|---|---|---|
| Regression | 16 574,55 | 15 | 1 104,97 | 3,503 | <,001 |
| Residual | 17 662,9 | 56 | 315,409 | ||
| Total | 34 237,44 | 71 | |||
| Model Fit results | |||||
| R | ,822 | ||||
| R Square | 0,676 | ||||
| Adjusted R Square | 0,59 | ||||
| Std. Error of the Estimate | 14,067771 | ||||
Multiple linear regression results (N = 75)
| Variables | Beta | Std. Error | t | Sig. | Tolerance | VIF |
|---|---|---|---|---|---|---|
| Constant | 22,439 | −1,965 | 0,054 | |||
| Age of the respondent | −0,086 | 0,24 | −0,842 | 0,404 | 0,551 | 1,815 |
| Gender of the respondent | 0,117 | 3,829 | 1,388 | 0,171 | 0,813 | 1,231 |
| Level of education | 0,053 | 2,344 | 0,528 | 0,600 | 0,578 | 1,73 |
| Marital status | 0,051 | 2,052 | 0,61 | 0,545 | 0,811 | 1,234 |
| Employment status | 0,037 | 2,304 | 0,418 | 0,678 | 0,722 | 1,385 |
| Household size | 0,034 | 1,079 | 0,355 | 0,724 | 0,648 | 1,543 |
| Frequency of sales per season | 0,239 | 1,952 | 2,592 | 0,012** | 0,679 | 1,472 |
| Labour | −0,178 | 5,728 | −1,515 | 0,135 | 0,418 | 2,395 |
| Agricultural knowledge | 0,36 | 9,867 | 3,133 | 0,003*** | 0,437 | 2,289 |
| Extension services | 0,091 | 4,057 | 0,989 | 0,327 | 0,687 | 1,455 |
| Distance to the selling point | −0,166 | 0,037 | −1,629 | 0,109 | 0,559 | 1,788 |
| Number of years selling | 0,073 | 0,4 | 0,832 | 0,409 | 0,753 | 1,329 |
| Off-farm employment | 0,144 | 5,218 | 1,559 | 0,125 | 0,682 | 1,465 |
| Harvesting frequency per season | −0,255 | 4,635 | −2,417 | 0,019** | 0,518 | 1,93 |
| Transportation expenses | 0,592 | 0,002 | 5,772 | <,001*** | 0,55 | 1,82 |