Table 1
Descriptive statistics and internal consistency of the motivation subscales.
| Subscale | Items | Possible range | Observed range | M | SD | Mean item score | Cronbach’s α |
|---|---|---|---|---|---|---|---|
| Intrinsic motivation | 12 | 12–60 | 12–60 | 50.37 | 9.52 | 4.20 | 0.962 |
| Extrinsic motivation | 5 | 5–25 | 7–25 | 19.02 | 4.07 | 3.80 | 0.851 |
| Amotivation | 5 | 5–25 | 5–25 | 17.39 | 5.50 | 3.48 | 0.871 |
Note. Mean item scores were calculated to facilitate comparison across subscales containing different numbers of items.
Source: Authors’ contribution.
Table 2
Motivation scores according to sex.
| Outcome | Women, M (SD) | Men, M (SD) | Test statistic | Unadjusted p | Holm-adjusted p | Cohen’s d |
|---|---|---|---|---|---|---|
| Intrinsic motivation | 50.22 (10.37) | 50.46 (9.05) | −0.174 | 0.862 | 0.862 | −0.03 |
| Extrinsic motivation | 18.03 (4.69) | 19.59 (3.57) | −2.485 | 0.014 | 0.028 | −0.39 |
| Amotivation | 19.38 (4.23) | 16.26 (5.82) | 4.409 | <0.001 | <0.003 | 0.59 |
Note. Positive values of Cohen’s d indicate higher scores among women; negative values indicate higher scores among men.
Source: Authors’ contribution.
Table 3
Motivation scores according to marital status.
| Outcome | Married, M (SD) | Single, M (SD) | Test statistic | Unadjusted p | Holm-adjusted p | Cohen’s d |
|---|---|---|---|---|---|---|
| Intrinsic motivation | 51.09 (9.28) | 50.04 (9.65) | 0.732 | 0.465 | 0.742 | 0.11 |
| Extrinsic motivation | 18.69 (3.20) | 19.18 (4.41) | −0.897 | 0.371 | 0.742 | −0.12 |
| Amotivation | 19.38 (5.28) | 16.48 (5.38) | 3.590 | <0.001 | <0.003 | 0.54 |
Note. Positive values of Cohen’s d indicate higher scores among married athletes.
Source: Authors’ contribution.
Table 4
Motivation scores according to income category.
| Outcome | Lower category, M (SD) | Middle category, M (SD) | Upper category, M (SD) | Welch’s F | Unadjusted p | η 2 | Holm-adjusted p |
|---|---|---|---|---|---|---|---|
| Intrinsic motivation | 47.54 (11.27) | 50.89 (9.31) | 53.47 (4.94) | 6.966 | 0.001 | 0.048 | 0.002 |
| Extrinsic motivation | 19.34 (3.75) | 18.23 (4.38) | 20.74 (3.01) | 7.467 | 0.001 | 0.055 | 0.002 |
| Amotivation | 16.30 (4.67) | 17.08 (6.13) | 20.00 (3.95) | 9.708 | <0.001 | 0.056 | <0.003 |
Note. Income-category labels distinguish the three categories represented in the study sample.
Source: Authors’ contribution.
Table 5
Significant Games–Howell post hoc comparisons.
| Grouping factor | Outcome | Comparison | Mean difference | 95% CI | p |
|---|---|---|---|---|---|
| Education | Intrinsic motivation | High school–postgraduate | −1.75 | [−2.60, −0.90] | <0.001 |
| Education | Extrinsic motivation | Primary–high school | 7.95 | [1.99, 13.90] | 0.012 |
| Education | Extrinsic motivation | Primary–postgraduate | 1.20 | [0.16, 2.23] | 0.017 |
| Education | Extrinsic motivation | High school–university | −7.22 | [−13.18, −1.26] | 0.020 |
| Education | Extrinsic motivation | High school–postgraduate | −6.75 | [−12.71, −0.79] | 0.029 |
| Education | Amotivation | Primary–high school | −4.79 | [−6.56, −3.01] | <0.001 |
| Education | Amotivation | Primary–university | −2.89 | [−4.96, −0.82] | 0.002 |
| Education | Amotivation | Primary–postgraduate | −5.29 | [−6.97, −3.60] | <0.001 |
| Education | Amotivation | High school–university | 1.89 | [0.24, 3.55] | 0.019 |
| Education | Amotivation | University–postgraduate | −2.39 | [−3.95, −0.84] | <0.001 |
| Income | Intrinsic motivation | Lower–upper category | −5.93 | [−9.87, −2.00] | 0.002 |
| Income | Extrinsic motivation | Middle–upper category | −2.51 | [−4.05, −0.97] | <0.001 |
| Income | Amotivation | Lower–upper category | −3.70 | [−5.79, −1.62] | <0.001 |
| Income | Amotivation | Middle–upper category | −2.92 | [−5.00, −0.85] | 0.003 |
Note. Mean differences were calculated as the first group minus the second group.
Source: Authors’ contribution.
Table 6
Correlations between years of sport participation and motivation.
| Outcome | r | Unadjusted p | Holm-adjusted p | 95% CI |
|---|---|---|---|---|
| Intrinsic motivation | 0.140 | 0.045 | 0.090 | [0.003, 0.272] |
| Extrinsic motivation | −0.082 | 0.242 | 0.242 | [−0.217, 0.056] |
| Amotivation | 0.191 | 0.006 | 0.018 | [0.056, 0.320] |
Source: Authors’ contribution.
Table 7
Multiple linear regression models predicting motivation.
| Outcome and predictor | B | HC3 SE | β | 95% CI | p |
|---|---|---|---|---|---|
| Intrinsic motivation | |||||
| Age | 0.14 | 0.19 | 0.125 | [−0.23, 0.52] | 0.453 |
| Male sex | −0.32 | 1.88 | −0.016 | [−4.00, 3.35] | 0.863 |
| Single marital status | 2.56 | 2.04 | 0.125 | [−1.45, 6.56] | 0.211 |
| Team sport | 0.57 | 1.53 | 0.030 | [−2.43, 3.56] | 0.710 |
| Years of sport participation | 0.03 | 0.17 | 0.022 | [−0.31, 0.37] | 0.850 |
| High school | 0.11 | 2.05 | 0.002 | [−3.90, 4.13] | 0.956 |
| University | 1.94 | 1.61 | 0.099 | [−1.22, 5.10] | 0.228 |
| Postgraduate | 1.27 | 2.30 | 0.036 | [−3.23, 5.77] | 0.580 |
| Middle income category | 3.39 | 1.89 | 0.178 | [−0.33, 7.10] | 0.074 |
| Upper income category | 5.54 | 2.10 | 0.227 | [1.43, 9.65] | 0.008 |
| Extrinsic motivation | |||||
| Age | 0.04 | 0.07 | 0.083 | [−0.10, 0.18] | 0.562 |
| Male sex | 0.96 | 0.73 | 0.113 | [−0.46, 2.38] | 0.186 |
| Single marital status | 0.43 | 0.99 | 0.049 | [−1.50, 2.36] | 0.662 |
| Team sport | −0.08 | 0.56 | −0.009 | [−1.18, 1.02] | 0.890 |
| Years of sport participation | −0.15 | 0.07 | −0.237 | [−0.28, −0.02] | 0.025 |
| High school | −7.26 | 2.00 | −0.346 | [−11.17, −3.35] | <0.001 |
| University | −0.45 | 0.69 | −0.053 | [−1.79, 0.90] | 0.513 |
| Postgraduate | −2.39 | 0.89 | −0.158 | [−4.13, −0.64] | 0.007 |
| Middle income category | −0.72 | 0.76 | −0.088 | [−2.21, 0.78] | 0.346 |
| Upper income category | 2.20 | 0.77 | 0.210 | [0.68, 3.71] | 0.004 |
| Amotivation | |||||
| Age | 0.00 | 0.07 | 0.000 | [−0.14, 0.14] | 0.997 |
| Male sex | −4.31 | 0.77 | −0.377 | [−5.81, −2.81] | <0.001 |
| Single marital status | −2.57 | 1.14 | −0.217 | [−4.80, −0.34] | 0.024 |
| Team sport | 2.41 | 0.76 | 0.219 | [0.91, 3.90] | 0.002 |
| Years of sport participation | 0.04 | 0.09 | 0.050 | [−0.13, 0.22] | 0.629 |
| High school | 4.88 | 0.98 | 0.172 | [2.95, 6.81] | <0.001 |
| University | 2.83 | 0.94 | 0.249 | [0.99, 4.68] | 0.003 |
| Postgraduate | 1.88 | 1.12 | 0.092 | [−0.31, 4.07] | 0.093 |
| Middle income category | −0.37 | 0.96 | −0.034 | [−2.25, 1.52] | 0.701 |
| Upper income category | 2.88 | 1.08 | 0.204 | [0.77, 4.99] | 0.007 |
Note. Reference categories were woman, married, individual sport, primary education, and the lower income category. HC3 = heteroskedasticity-consistent standard error; B = unstandardised regression coefficient; β = standardised regression coefficient; CI = confidence interval.
Source: Authors’ contribution.